Answer:
C. Only tech A is correct
Explanation:
Oil control rings are designed differently than compression rings. A typical oil control ring consists of three separate pieces: two very thin metal rings called scrapers, and a spacer ring called an expander placed in the groove between them.
Final answer:
Technician A is correct in saying the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Technician B is incorrect; oil control rings can be a multi-piece component, not necessarily two pieces. The right answer is C, Technician A only.
Explanation:
The question asks who is correct regarding the function and structure of an oil control ring in an engine. Technician A states that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke, which is accurate. Its main function is to clear excess oil from the cylinder walls and return it to the sump. Technician B is not correct in stating that a typical oil control ring consists of two separate pieces. In reality, the oil control ring can be even more complex, often consisting of two thin rails with a spacer expander, making it more accurately a multi-piece component. Therefore, the correct answer to this question would be C, Technician A only.
What is the name for the resources and money attributed to a specific region?
A. Government
B. Law
C. Economy
D. Norm
Apex Environmental Science
The answer C.) Economy (or also reffered to as money)
What is the name for the resources and money attributed to a specific region?
The answer is option C. Economy
Economy is defined as a country's system of money making and its uses. It describes the wealth and resources of any country or a region. This process also shows ways of money making and its usage and means of production in any country.
why dont electrons just fly off into space? what holds them in orbit around the nucleus
electrons don't just fly off into space because charged particles attract each other, keep in mind that alike particles repel off each other.
electromagnetic forces hold the electrons in orbit around the nucleus in the center of the atom. As they move in a repetive motion, they stay close together to stay in line.
Hope this helps!!
How is diversity related to changes in the ecosystem?
Diversity within an ecosystem allows for variation in the species and environment interact with each other.
Diversity within an ecosystem allows for variation in the species and environment interact with each other.
The original source of energy in most ecosystems is
i believe the answer is the sun
How do invasive species spread? Identify three methods. (Site 1)
Answer
Hi,
They are spread primarily by human activities.
Three methods that can spread invasive species is ; blowing by wind, splashed by rain and carried by animals.
Explanation
Invasive species are a kind of living organisms that are new to an ecosystem and can result into harm that is diverse .These species grow and reproduce at a quicker rate and spread rapidly with potential of causing more harm. In short distances, these organisms depend on natural dispersal ways to spread to other places. Example of an invasive species is Burmese pythons in the Everglades.
Hope this helps!
How does the way matter cycles through an ecosystem differ from the way at energy flows?
Not similar to matter, flow of energy has a one way flow through living things. On the other hand, matter is recycled within and between ecosystems. Living things (ecosystems) need nonliving matter as well as energy. Matter is used to build bodies. It's also needed to carry out the processes of life. Any nonliving matter that living things need is called a nutrient. Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycled in ecosystems.
The ecosystem is a collection of communities of biotic and abiotic nature. The ecosystem channels energy in cyclic pathways and is unidirectional.
The matter is thus get recycled within and among the ecosystems. As every organism needs nutrients and energy to perform tasks. Like water, the nutrients are passed from one form to another such as from one tropic level to another.Learn more about the way matter cycles by an ecosystem differ from the way at energy flows.
brainly.com/question/12242820.
name the 3 texas river that form borders and the neighboring states that they border
Sabine river. Red river. rio grande
The three rivers that form borders in Texas are the Rio Grande, Red River, and Sabine River, which border Mexico, Oklahoma, and Louisiana, respectively.
The three Texas rivers that form borders and their neighbouring states are:
Rio Grande - This river forms a natural border along the southern edge of Texas, separating it from the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas.Red River - It serves as the boundary between Texas and Oklahoma to the north.Sabine River - This river creates the border between Texas and Louisiana to the east.Each of these rivers plays a significant role in the geography of Texas, and they have also been important in historical contexts, such as the Texas annexation and border disputes.
Why are marshes more productive than bogs? A. Marshes have stagnant water. B. Marshes get more sunlight. C. Marshes are larger in size. D. Marshes have more water flow.
Answer:
Option D, Marshes have more water flow.
Explanation:
Marshes have water flowing round the year and thus they have wetlands which are nutrient enriched while bogs have stagnant water and thus they have poor soil with low nutrients and high content of peat.
Marshes being nutrient enriched support a wide variety of reeds, grasses and woody trees while bogs have only mosses, fungi and shurbs as their fauna.
Hence, option D is correct
Answer:
They have more water flow
Explanation:
Describe what scientists can learn about the past by studying fossils.
Please don't say something random to get the points. It's not fair to others. :[
they could possibly learn the climate the animal was from or even relative dating & absolute age
Using the location and depth of where a fossil is found to estimate age is called (4 points)
A radioactive dating
B the law of superposition
C Index fossils
D the geologic time
The answer is; B
The law states that in an undisturbed layer of crust, the top layers are younger than the deeper layers. This is because as sediments are deposited, such as in the oceans, newer sediments are usually deposited over the older sediments on the bed. This is a basic law of geochronology.
Answer:
The answer would be B - the law os superpositin
Explanation:
Law of superposition states that within a sequence of layers of sedimentary rock, the oldest layer is at the base and that the layers are progressively younger with ascending order in the sequence.
Hope this helped, good luck!
1.one variety of strawberry is resistant to a damaging fungus but produces small fruit. Another strawberry variety produces large fruit but is not resistant to the same fungus the two desirable qualities may be combined in a new variety of strawberry plant by) A. cloning B asexual reproduction C direct harvesting D selective breeding) 2. in the past humans developed varieties of dogs such as the German Shepherd and the bearded collie using) A selective breeding for particular traits B recombination of genes during mitosis C mutations present only in body cells D natural selection of favorable traits) 3. A common practice used by breeders to maintain a desired trait in dogs is A artificial selection B regeneration C vegetative propagation D sporulation
The answers are: D natural selection of favorable traits and C.mutations present only in body cells
Hope this helped!
The two desirable qualities may be combined in a new variety of strawberry plant by cloning. In the past humans developed varieties of dogs such as the German Shepherd and the bearded collie using selective breeding for particular traits, and A common practice used by breeders to maintain a desired trait in dogs is artificial selection. The correct option for question 1 is A, 2 is A, and question 3 is A.
What is artificial breeding?Artificial selection, also renowned as selective breeding, and is basically the practice of sorting for desirable characteristics in agricultural products or even animals instead of allowing the species to change and evolve naturally, as in natural selection.
Darwin took into account two sorts of artificial selection in natural selection in The Variation of Animals and Plants Under Domestication namely methodical selection and unconscious selection.
Cloning allows the two quality attributes to be mixed in a fresh batch of strawberry plants.
In the previous era it is the humans developed dog breeds including the German Shepherd and the bearded collie by selective breeding for specific traits.
Artificial selection is a standard procedure used by breeders to establish a desired trait in dogs.
Thus, the correct option for question 1 is A, 2 is A, and question 3 is A.
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Which resources are needed for life on Earth? Check all that apply. water rocks air trees sunlight
The correct answers are:
- water;
The water is the essential substance used for the functioning of the living organisms. It is included in the process of photosynthesis, as well as for the bodily functions.
- rocks;
They are the mineral base, thus they provide food source. Also, the rocks are the mother material for the creation of the soils.
- air;
The air has to be just right in order for the organisms to survive. Its composition has to be consisted of elements that are useful for the living organisms.
- sunlight;
The sunlight provides heat, thus it enables the formation of suitable environments, as without it, the Earth would be very old and frozen. It is also crucial for the process of photosynthesis.
Answer:
water, air, sunlight
Explanation:
I just took it
Fossil evidence suggests that whales evolved from land mammals. Using comparative DNA techniques, scientists have also suggested that whales are related to hippos. How could comparing amino acid sequences support the theory of evolution?
B i hope it help you
The amino acid sequencing sometimes reveals the ancestral evolution of the organisms.
What is meant by amino acid sequencing?Adaptive evolution at the molecular level can be studied by detecting convergent and parallel evolution at the amino acid sequence level. For a set of homologous protein sequences, the ancestral amino acids at all interior nodes of the phylogenetic tree of the proteins can be statistically inferred.
Inconsistent results on the association between evolutionary rates and amino acid composition of proteins have been reported in eukaryotes. However, there are few studies of how amino acid composition can influence evolutionary rates in bacteria. Thus, we constructed linear regression models between composition frequencies of amino acids and evolutionary rates for bacteria.
Compositions of all amino acids can on average explain 21.5% of the variation in evolutionary rates among 273 investigated organisms.
Thus, the amino acid sequences support the evolutionary patterns .
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check the box next to the process or processes used by organism listed oak tree
Answer:
Oak trees performs cellular respiration and photosynthesis so both boxes should be checked
Explanation:
"Plants" (seaweeds are not strictly plants) all can perform photosynthesis, in which they use chlorophyll to convert solar elergy into chemical energy (glucose). But they can also carry out respiration which is the opposite process. In respiration glucose is broken down and its stored energy is released and used as fuel for the organism's processes.
Conversely, animals such as the housefly, the rabbit and the crab in the lower part of the image, can only perform respiration.
Answer:
You’re welcome
Explanation:
please help me will give you lots of points :)
Which of the following organisms are herbivores?
Secondary consumers
Decomposers
Primary consumers
Producers
Question 2(Multiple Choice Worth 3 points)
(01.01 LC)
Which of the following is an example of a decomposer?
Tree
Hawk
Rabbit
Mushroom
Question 3(Multiple Choice Worth 3 points)
(01.01 MC)
Which best describes the role of a tertiary consumer in a food web?
Carnivore that feeds on producers
Herbivore that feeds on producers
Carnivore that feeds on secondary consumers
Herbivore that feeds on secondary consumers
Question 4(Multiple Choice Worth 3 points)
(01.01 LC)
Which organisms break down dead matter and waste into nonliving elements?
Consumers
Decomposers
Omnivores
Producers
Question 5(Multiple Choice Worth 3 points)
(01.01 HC)
Food web starting with sun and pointing to grasshopper and squirrel; Grasshopper pointing to squirrel, wolf, and snake; squirrel pointing to wolf, snake, and bird; wolf pointing to decomposition with worms and mushrooms; snake pointing to wolf and decomposition with worms and mushrooms; bird pointing to decomposition with worms and mushrooms; decomposition pointing to the sun stating soil nutrients.
If we removed the producers from this food web, how would it affect the balance of the ecosystem?
There would be an increase in consumers and decomposers.
There would be a decrease in consumers and decomposers.
There would be a decrease in primary consumers and an increase in secondary consumers.
There would be an increase in primary consumers and a decrease in secondary consumers.
Question 6(Multiple Choice Worth 3 points)
(01.01 MC)
The table shows the commonly eaten foods of some organisms.
Commonly Eaten Foods List
Group Commonly Eaten Foods
A vegetables, meat, chicken
B insects, fruits, seeds
C grasses, barks, twigs, acorn
D ladybugs, caterpillars, flies, mosquitoes
Which groups contain both primary and secondary consumers?
A and B
B and C
C and D
B and D
Question 7(Multiple Choice Worth 3 points)
(01.01 MC)
Food web starting with sun and pointing to grasshopper and squirrel; Grasshopper pointing to squirrel, wolf, and snake; squirrel pointing to wolf, snake, and bird; wolf pointing to decomposition with worms and mushrooms; snake pointing to wolf and decomposition with worms and mushrooms; bird pointing to decomposition with worms and mushrooms; decomposition pointing to the sun stating soil nutrients.
According to this food web, which of the following would be considered secondary consumers?
Plants
Grasshoppers
Wolves
Mushrooms
Question 8(Multiple Choice Worth 3 points)
(01.01 LC)
Which of the following describes the ways organisms are interconnected through their feeding patterns?
Food chain
Trophic level
Food web
Consumer chart
Answer:
question 2 -Primary consumer
question 3-mushroom
question 4-carnivore that feeds on secondary consumers
question 5-decomposers
question 6-There will be a decrease in primary consumers and an increase in secondary consumers
question 7-A and B
question 8-Wolves
question 9-food web.
Final answer:
Primary consumers are herbivores that feed on producers. Decomposers like mushrooms break down dead organic matter. The food web illustrates how different organisms are interconnected through their feeding patterns, with wolves as secondary consumers.
Explanation:
The organisms that are herbivores are the primary consumers. They feed exclusively on plants, which are the producers in an ecosystem.
An example of a decomposer is a mushroom. Decomposers break down dead matter and release nutrients back into the ecosystem.
The role of a tertiary consumer in a food web is best described as a carnivore that feeds on secondary consumers.
The organisms that break down dead matter and waste into nonliving elements are decomposers.
If we removed the producers from a food web, there would be a decrease in both consumers and decomposers because producers are the primary source of energy for primary consumers.
In the provided list of commonly eaten foods of organisms, groups B and D contain both primary (herbivores) and secondary consumers (carnivores).
According to the food web, the wolves would be considered secondary consumers since they feed on primary consumers like the grasshopper and squirrel.
The connectivity of organisms through their feeding patterns is described by a food web.
which of following is not a tool used in engineering and technology?
aye what’s the following tho
Answer:
I don't know the answer so I don't know it
Which scenario could be a negative consequence of an earthquake?
A. Greenhouse gases are released into the atmosphere
B. The power grid is temporarily or permanently disrupted
C. Eutrophication Block sunlight from reaching aquatic plants
D. Soil and sand creep bends
the trunks of trees
Answer: D. Soil and sand creep bends the trunks of trees.
Explanation:
An earthquake can be define as the shaking of the earth surface. This occurs due to generation of intense seismic waves in the geosphere.
Soil and sand creep is a condition which occurs during earthquake. In this process downward movement of sand or soil takes place downhill due to the effect of gravity. This pressure exerted by the surface soil will lead to the bending of the tree trunks.
Answer:
D.
Explanation:
plato/edmentum
the earth surface is kept warm mostly by _______.A.hot lava B. the sun C. the moon D. many distant stars
B. The sun. It is the closest star to Earth. The moon does not heat up the Earth like at all. The distant stars are too far away to have an effect. The hot lava is in the Earth so it doesn't affect the surface.
10 POINTS! science plz help me!
An increase in genetic variation
What is the answer to this question and the solution to it
To find the average of many values, add all the values and divide by the number of values.
The values are: 15, 8, 12, 12, 6, 18, 10, 15
There are 8 values.
Add the values: 15 + 8 + 12 + 12 + 6 + 18 + 10 + 15 = 96
Now divide the sum by the number of values:
average = sum/number of values
average = 96/8
average = 12
Answer: A 12
Answer:
A. 12
Explanation:
To find the average, we add all the values and divide them by the number of values which is 8.
so we have, 6+8+10+12+12+15+15+18=96
we divide 96 by 8
96÷8 =12.
Which branch of earth science most likely involves the study of climate change and its effect on people?
A.) astronomy
B.) geology
C.) meteorology
D.) oceanography
Answer:
C. meteorology
Explanation:
meteorology is the scientific study of the atmosphere that focuses on weather processes forecasting, and climate.
Answer:
meteorology
Explanation:
does anyone think their is life out their beyond our planet?
Of course yes my friend. We are not alone
But also exists the DRAKE EQUATION
The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.
Look at Google about that equation and explode your curiosity =)
Best regards
Well of course we cant be the only living things in this whole galaxy and plus there are other galaxy's as well there's life bound to be there and dont forget about area 51 thats some freaky stuff like we know the government hides stuff were not that stupid we know that UFO's and aliens exist i mean hello here we cant be the only things alive in this whole solar system and if you read up on stuff way before Christ and after you know the pyramids right no humans could have just done that :/ well thats my opinion anyways but seriously and the things they would carve in stone like the little pictures some of them be looking extra weird at times
One way the body fights invaders is by increasing the body temperature or running a fever. Give a brief explanation as to why that defensive technique works against some viruses or bacteria.
An increase in body temperature has been known since ancient times to be associated with infection and inflammation and elevated body temperature changes the T-cells' membranes which may help mediate the effects of micro-environmental temperature on cell function
Answer:
Some of the species of bacteria do not possess the tendency to work adequately and replicate in the conditions of fever, that is, high temperatures. Thus, the high-temperature condition minimizes the rate of bacterial infections in the body. The majority of the research has also demonstrated that the temporal elevation in the body temperature, at the time of fever, enhances the activity of the cytotoxic T-cells, which plays a substantial role in fighting against the infection.
Identify 3 reasons organisms need energy..
Organisms need energy to survive, as cells can't survive on their own without it. They need energy for growth, reproduction, movement, and repair. Hope this helps!
What 5 conditions are necessary to maintain genetic equilibrium
A large breeding population.
Random mating.
No change in allelic frequency due to mutation.
No immigration or emigration.
No natural selection.
hope this has helped
The five conditions necessary to maintain genetic equilibrium (also known as Hardy-Weinberg equilibrium) are: no mutations, No migration, Large population size, Random mating, No natural selection
What is genetic equilibrium?Mutations are the source of genetic variation, and without them, there is no change in the gene pool. Gene flow occurs when individuals or their genes move from one population to another. If there is no gene flow, the gene pool of a population remains unchanged. A large population size reduces the effects of random genetic drift, which can cause the loss of alleles in small populations. Natural selection favors certain alleles over others, leading to changes in the gene pool. In genetic equilibrium, there is no selection for or against any particular allele.
Hence, the five conditions necessary to maintain genetic equilibrium (also known as Hardy-Weinberg equilibrium) are: no mutations, No migration, Large population size, Random mating, No natural selection
Learn more about the genetic equilibrium here.
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Which of the following is not an activity promoted through environmental activism? a. conservation b. corrective justice c. pollution prevention d. waste regulation Please select the best answer from the choices provided A B C D
Letter B, corrective justice
the adoption of corrective measures of justice is a prerogative of the state, that is, of the public power instituted and not of activists.
Answer: b. corrective justice
Explanation:
Corrective justice is not an activity promoted through environmental activism.
Corrective justice refers to a theory of justice which has its roots in Aristotle. It centers on the connection between law and morality. It involves the amendment or correction of an injustice inflicted by one person on another person. It makes available rectification of unjust committed by an individual that cause harm to another.
explain how the release of additional eggs is prevented during pregnancy?
Progesterone and estrogens are thought responsible for the release (and prevention of release) of an egg during ovulation
During pregnancy, hormonal changes prevent the release of additional eggs by suppressing the secretion of FSH and LH, inhibiting ovulation and thus protecting the singleton pregnancy.
During pregnancy, the body releases hormones specifically designed to regulate the production of eggs. This hormonal regulation ensures that additional eggs are not released, as the body systems are already managing and preparing for the development and birth of the offspring. The release of an egg, known as ovulation, is inhibited primarily by the action of hormones on the hypothalamus and the pituitary gland. These hormones provide negative feedback on the hypothalamus and pituitary, leading to the suppression of follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which are normally responsible for stimulating ovulation. The prevention of ovulation is critical because it ensures that no additional eggs are fertilized, maintaining the singleton pregnancy, or avoiding the possibility of superfetation (conception of a new embryo during an existing pregnancy).
As an overview, immature eggs are present in the ovaries from birth, and typically one egg matures and is released each month during a woman's reproductive years. However, this process is halted during pregnancy due to the hormonal changes mentioned above.
give an overview of 1-2 treatments for paralysis
>Physical therapy uses treatments such as heat, massage, and exercise to stimulate nerves and muscles.
>Occupational therapy concentrates on ways to perform activities of daily living.
>Mobility aids include manual and electric wheelchairs and scooters.
>Supportive devices include braces, canes, and walkers.
>Assistive technology such as voice-activated computers, lighting systems, and telephones.
>Adaptive equipment such as special eating utensils and controls for driving a car.
https://my.clevelandclinic.org/health/diseases/15345-paralysis/management-and-treatment
Which describes a way that carbon is pulled out of the atmosphere?
A. When oil is burned
B. When trees use photosynthesis
C. When animals exhale
D. When fossils fuels are used
Answer: B. When trees use photosynthesis
Which activity occurs in the process of replication?
The process of DNA duplication is called DNA replication. Replication follows several steps that involve multiple proteins called replication enzymes and RNA. In eukaryotic cells, such as animal cells and plant cells, DNA replication occurs in the S phase of interphase during the cell cycle.
Final answer:
During DNA replication, DNA helicase unwinds the double helix so that DNA polymerase can add complementary nucleotides to each template strand, resulting in two new DNA molecules, each with one original and one new strand.
Explanation:
The process of replication is a crucial aspect of cell division, ensuring that each daughter cell receives an identical copy of DNA. During DNA replication, which occurs in the S phase of the cell cycle, an enzyme called DNA helicase breaks the hydrogen bonds between complementary bases in the DNA molecule. This unwinding of the double helix exposes the bases, allowing them to serve as templates for the formation of new DNA strands. Another enzyme, DNA polymerase, then adds complementary nucleotides to each single-stranded DNA template. This process is semi-conservative, meaning each of the new DNA molecules contains one original and one newly synthesized strand of DNA.