The only pre-australopithecine found outside the east african rift valley is
Health insurance involves two perils, accident and ____.
Health insurance covers two main perils: accidents, which are unexpected events that cause physical harm, and illness, a usually long-term condition affecting a person's health.
Explanation:Health insurance typically covers two main perils: accidents and illness. Accidents are unforeseen events that cause physical harm, for which immediate medical attention is generally necessary. On the other hand, illness refers to a condition that affects a person's state of health, usually over a long period.
In insurance terms, these are considered perils as they are potential causes of loss. When you have health insurance, part of your premium pays for coverage in case of accidents or sickness. The insurance company then provides you with compensation for medical costs stemming from these events, aligning with the idea of sharing risk that is central to the concept of insurance.
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Explain and define two color schemes that a color wheel could help you identify.
Peanut butter and cottage cheese each provide which two sources?
a)vitamin K b)carbohydrates c)fats
What is the the simplest, smallest collection of matter that exhibits traits of life is?
Which was not included in the support for Harry Hess’s hypothesis of sea-floor spreading?
earthquake patterns in subduction zones
the age of the ocean floor rock
granitic rock in the ocean floor
magnetic strips in ocean floor rock
compared with a temperate forest, a grassland has
Answer: Grasses
Explanation:
Grasslands are areas covered with grasses. Grasslands lies between forests and deserts.
Grasslands are found in every continent except the antartica. grasslands account for between 20% and 40% of the world's land area.
Temperate forest is a forest found between the tropical and boreal regions, located in the temperate zone. The temperate forest biome is notable for its leaf-shedding (decidious) trees and its seasons. It is the second largest biome on the planet because it covers about 25% of the world's forest area.
How does it benefit a plant to have a variety of photosynthetic pigments?
What developmental skills does a preschooler exhibit? select all that apply?
The element lithium has two stable isotopes, Li-6 and Li-7. How do the atomic structures of these two isotopes compare?
A) Both have 3 protons and 3 electrons, but Li-7 has 4 neutrons.
B) Both have 3 protons and 4 neutrons, but Li-7 has 4 electrons.
C) Li-6 has 3 protons and 3 electrons; Li-7 has 3 protons and 4 electrons.
D) Li-6 has 3 protons, 3 neutrons, 6 electrons, while Li-7 has 3 protons, 3 neutrons, and 7 electrons.
The element lithium has two stable isotopes, Lithium - 6 and Lithium -7, these two structures of lithium are very comparable as both have 3 protons and 3 electrons, but Li-7 has 4 neutrons.
Therefore the correct answer is option A.
What are atomic models?There are some models that are used to explain the arrangements of subatomic particles inside the atom based on the atomic theory of atoms known as the atomic models.
lithium-6 ⇒ 3 proton,3 electrons, and 3 neutrons
Lithium 7 ⇒ 3 proton,3 electrons, and 4 neutrons
Lithium has two stable isotopes: lithium-6 and lithium-7. Although they both contain three protons and three electrons, lithium-6 and lithium-7 differ only in having four neutrons. Thus, the correct answer is option A.
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The "command center" of fluid intake is located in the:
The “command center” of fluid intake is located in the hypothalamus. It is a part of the brain that comprises a number of small nuclei with different functions. It attaches the nervous system to the endocrine system by the use of the pituitary gland.
The 'command center' of fluid intake is located in the hypothalamus, a region of the brain responsible for regulating various bodily functions, including thirst and fluid balance.
Explanation:The 'command center' of fluid intake is located in the hypothalamus, which is a small region of the brain. The hypothalamus is responsible for regulating various bodily functions, including thirst and fluid balance.
When the body becomes dehydrated, specialized cells in the hypothalamus detect this and trigger the sensation of thirst. This prompts the individual to drink fluids to replenish the water that has been lost.
In addition to regulating thirst, the hypothalamus also interacts with the kidneys to control the excretion of water and electrolytes, ensuring proper fluid balance in the body.
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How much water flows through your kidney in one day?
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How does carbon move between the atmosphere, hydrosphere, biosphere, and geosphere?
Answer:
Carbon is an element and is part of the oceans, air, rocks, soils and living things, it does not stay in one place.
In the atmosphere, it combines with oxygen in a gas called carbon dioxide (CO2). With the help of the sun, through photosynthesis, carbon dioxide is extracted from the air and converted into food.
Through food chains, carbon from plants goes to the animals that feed on them. Animals that eat other animals also obtain carbon through their food.
When plants and animals die, their bodies, wood, and leaves decompose in the soil. Part of the decomposed matter is buried and after millions and millions of years, it becomes fossil fuel.
Each time you breathe out, carbon dioxide is released into the atmosphere. Animals and plants get rid of the gas through the process known as respiration.
The carbon from fossil fuels goes into the atmosphere when the fuel is burned. When humans burn fossil fuels to power their factories, power plants, cars, and trucks, most of the carbon quickly enters the atmosphere in the form of carbon dioxide gas. Every year, five and a half billion tons of carbon are released in the form of fossil fuels burned. Of the large amount of carbon released by fuels, only 3.3 billion tons penetrate the atmosphere, and most of the rest is dissolved in the seawater.
The oceans and other bodies of water absorb some of the carbon from the atmosphere. It dissolves in water. Marine animals use carbon to create the material for their skeletons and shells.
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere. When carbon is deposited on the seabed, it is stored outside the carbon cycle for long periods of time. The amount of limestone deposited in the ocean depends in some way on the amount of shallow, tropical and warm oceans on the planet, because that is where limestone-producing organisms, such as corals, proliferate. Carbon can be released back into the atmosphere if the limestone melts or undergoes metamorphosis in a subduction zone.
how many chromosomes will a mouse zygote have?
A client is admitted for treatment of chronic renal failure (crf). the nurse knows that this disorder increases the client's risk of:a client is admitted for treatment of chronic renal failure (crf). the nurse knows that this disorder increases the client's risk of:
Compare and contrast the solar cycle to the lunar cycle and explain how this affects tides
The solar and lunar cycles, while different in duration and nature, both significantly affect Earth's tides. Solar and lunar gravitational forces combine to create spring tides during their alignment and neap tides when they form a right angle. These tidal variations are directly related to the Moon's phases and the relative positions of the Earth, Moon, and Sun.
What is different about the mouth structure of ruminants compared to that of humans?
During which phase of mitosis does the nuclear envelope break up?
Cutting the left optic nerve in front of the optic chiasm would result in blindness in the ____.
In her laboratory journal, a microbiologist enters the following information: “Some mold growth was seen on the agar plate that was streaked with bacteria three days ago. Bacterial colonies were observed on the plate, but the area surrounding the mold did not show any bacteria.” Which of the following describes the microbiologist’s journal entry?
Explain why cellular respiration adds carbon dioxide to the atmosphere and photosynthesis does not
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Explain how to frequency of sound changes as an ambulance approaches you and passes you by as you stand on a sidewalk.
The Doppler effect is observed when the source of a particular set of waves is moving with respect to the observer. Suppose you are standing on the sidewalk, waiting to cross the street. On the far left side of your position, you see an ambulance racing in your direction. In this case, the siren on the ambulance is the source of the waves (sound waves, in this case) and you are the observer.
Apparent Increase in Wave FrequencyAs the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren ‘sounds’ higher than its original value, as sound waves reach you ‘more frequently’. It should be noted that there is absolutely no difference between the frequency of the original sound waves and the sound waves approaching you; you simply perceive the sound to be higher pitched as the sound waves reach you at a more frequent rate, because the distance between you and the ambulance is closing.
Answer:
As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.
Explanation:
The scientists at lawrence livermore lab have been able to produce 6 new, synthetic elements. why isn't there yet a practical use for these elements?
Answer:
The elements synthesized in Lawrence Livermore's lab have no practical use because they degraded just after their formation.
Explanation:
As the nucleus of an atom become too heavy it loses its stability. To gain stability the nucleus starts losing the nucleons ( neutron and proton) via different types of radioactive decay.
The elements synthesized in Lawrence Livermore's lab are too heavy to bear their stability went to decay just after its origin.
Therefore, we can say that elements synthesized in Lawrence Livermore's lab have no practical use because they degraded just after their formation.
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What process is happening to the root so that they grow deeper into the ground
The process of cell division (growth) is happening to the root so that they grow deeper into the ground.
CELL DIVISION:
Cell division is the process by which a cell makes double copy of itself. Cell division multiplies or increases the number of cells. This means that when a cell divides, growth visible by elongation occurs. According to this question, a root grows deeper into the ground in search of water for the plant. The process of cell division is making the root of this plant grow, hence, elongating deeper into the ground. Therefore, the process of cell division (growth) is happening to the root so that they grow deeper into the ground.Learn more at: https://brainly.com/question/18957593?referrer=searchResults
The method of self-announcement is frequently done _____.
Self announcement method is a nominating method where a person announces an intention to run in for a public office. The method of self-announcement is frequently done in small towns. Small towns have less population and mostly people are aware of the things happening around them. Groups are easily formed with unified decisions that is why people self nominate themselves and usually win with the support of these groups.
The two most abundant components of whole blood, in order of most abundant and second-most abundant, are _________.
Blood components: plasma and red blood cells.
The two most abundant components of whole blood, in order of most abundant and second-most abundant, are:
Plasma: constituting about 55% of blood volume, it contains water, proteins, electrolytes, lipids, and glucose.Red blood cells (Erythrocytes): making up about 45% of the blood volume.White blood cells (Leukocytes) and platelets are also vital components, though less in quantity compared to plasma and red blood cells.
Red blood cells are the most common type of blood cell. they are responsible for carrying oxygen from the lungs to all the various body tissues. these cells are shaped like concave discs, and they do not have mitochondria or nuclei. how does this structure help the cell carry out its function?
The structure of red blood cells, including their concave disc shape and absence of mitochondria and nuclei, helps them carry out their function of delivering oxygen to body tissues.
Explanation:Red blood cells, also known as erythrocytes, are specialized cells that carry oxygen to various body tissues. Their unique structure helps them perform this function effectively. The concave disc shape of red blood cells provides a large surface area for the uptake and release of oxygen. The absence of mitochondria and nuclei allows more space for hemoglobin, the protein responsible for carrying oxygen. This structure also improves the flexibility of red blood cells, enabling them to squeeze through narrow blood vessels and reach all parts of the body.
What kind of exercise is often used as therapy to rebuild muscle strength after an injury?
Traditionally female-dominated occupations, such as nursing and teaching, are known as
The answer is traditional gender roles, it is because if this has been promoted, the female gender will likely choose occupations that are more suitable for them and that are more feminine as traditional gender roles is a kind of gender stereotyping of where a gender should act more like a girl when she is a female in gender.
Which part of the plant cell performs photosynthesis ??