Which plant cell organelle uses light energy to produce sugar?
A)
chloroplast
B)
mitochondria
C)
nucleus
D)
ribosome

Answer:

I belive the answer to your question is True

Explanation:

True, veins are formed from hot water solutions that become supersaturated with minerals, which then crystallize and deposit in cracks within rocks.

When underground water is heated by magma, it can dissolve more particles than cold water. This hot, salty solution then chemically reacts with surrounding rocks, picking up more dissolved particles.

As this water moves through open spaces in rocks, it deposits solid minerals. When these minerals fill cracks in rocks, they create deposits known as "veins".

In contrast, when minerals are deposited in open spaces where there's room for growth, large crystals can form, resulting in structures known as geodes.

Answer:

C.visualization is the correct answer.

Explanation:

A computer program that lets you investigate an image in 3-D is an example of visualization model.

visualization model is the process of creating animations, images, and diagrams.

Visualization model explained as a technology that produces a visual dimension.

The visualization enables an object to been viewed with the help of computer modeling.

The molecular and empirical formulas of methyl butanoate are both C5H10O2, representing the exact composition and simplest ratio of its atoms, respectively.

The question you've asked is about the molecular and empirical formulas of methyl butanoate. First, let's clarify that the molecular formula tells us the exact number of atoms of each element present in a compound, while the empirical formula gives the simplest whole-number ratio of these atoms.

The molecular formula of methyl butanoate is C5H10O2, indicating that each molecule consists of 5 carbon atoms, 10 hydrogen atoms, and 2 oxygen atoms. However, the information provided mistakenly pairs the empirical formula and molecular formula of another compound, indicating an error. In practice, methyl butanoate itself, given its molecular formula, would technically have the same empirical formula as the molecular one (C5H10O2) since its ratio of atoms cannot be simplified further.

Answer: Option (C) is the correct answer.

Explanation:

In June, it is known that temperature is more hotter than as compared to temperature in October.

Therefore, due to the increase in temperature crickets move out of their initial place and hence they chirp. Whereas in October temperature is less so, crickets prefer to stay at their initial place and doesn't chirp.

Thus, we can conclude that the statement crickets chirp more frequently as temperature increases would be the best hypothesis.

Answer: 2 sets of 10-20 reps! :)

Ecosystems comply with the law of conservation of mass and energy, with matter cycling within and energy flowing through trophic levels. Only 10% of energy transfers between trophic levels, the rest changes form, mainly to heat, upholding the law of conservation of energy and limiting the length of food chains.

The ecosystem adheres to the law of conservation of mass and the law of conservation of energy, two fundamental principles in physics. According to the law of conservation of mass, mass is neither created nor destroyed in a closed system. In an ecosystem, this translates to matter cycling through living organisms (biotic components) as well as the physical environment (abiotic components), with the total amount of matter remaining constant over time.

In terms of energy flow, ecosystems follow the first law of thermodynamics, which dictates that energy can neither be created nor destroyed. Energy enters the ecosystem primarily through sunlight, which plants convert into chemical energy via photosynthesis. This stored energy is then passed along the food chain through various trophic levels, from producers to herbivores to carnivores. However, only about 10% of the energy at one trophic level is transferred to the next; the remainder is expended through life processes or lost as heat.

This apparent discrepancy does not violate the law of conservation of energy because the 'lost' energy is not destroyed; it merely changes form, primarily into heat, which dissipates into the environment. This inefficiency in energy transfer explains why food chains rarely extend beyond four or five trophic levels, as there simply isn't enough energy to sustain higher levels.

Sediments form sedimentary rocks through lithification, including deposition, compaction, and cementation processes. These processes solidify loose sediments into clastic or organic sedimentary rocks, with minerals like calcite, quartz, and pyrite acting as cement.

Sediments form sedimentary rocks by the process of lithification. Lithification is essential for turning loose sediment into solid rock, which involves several interconnected steps, including deposition, compaction, and cementation. Sedimentary rocks can be of two main types: clastic, formed from non-organic sediments that have been transported, deposited, compacted, and then cemented together; and bio-clastic or organic sedimentary rocks which are created from the accumulation and lithification of organic matter.

When sediments are transported to a new location and come to rest, this is known as deposition. Over time, as more material is deposited on top, the sediments undergo compaction, where the weight from the overlying materials reduces the porosity by bringing grains closer together. Finally, cementation occurs when groundwater carrying minerals such as calcite, quartz, or pyrite, precipitates these as cement within the pore spaces, thus binding the grains to form solid sedimentary rock.

This list categorizes a set of organisms as producers, consumers, or decomposers. Producers include palm trees, ferns, oak trees, and bamboo. Consumers include bears, grasshoppers, dogs, and praying mantis. Decomposers include fungi and certain types of bacteria.

In an ecosystem, organisms play different roles and are classified as either producers, consumers, or decomposers. Producers can make their own food using energy from sunlight, consumers eat other organisms to get energy, and decomposers break down dead organisms or waste to return nutrients back to the soil.

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The right answer is D) a structure made of two or more tissues functioning together for a common purpose.

An organ is a set of specific tissues capable of performing one or more specific functions. The human body has 78 organs and these organs can be grouped into systems (there are 11 of them) to perform more complex functions. For example, the bronchi and lungs are organs that belong to the respiratory system. Organs are necessary to live in good health and some organs are essential. These are the brain, heart, lungs, kidneys, liver and pancreas.

Answer:

B) nitrogen, oxygen, argon

Explanation:

Got it right :D

Gradualism describes the rates of speciation. It means that evolutionary changes in species are slow, gradual and continuous process. In our example, The one-toed horse of today steadily evolved from its five-toed ancestor. Steadily is the key word. So, the change was slow and continuous process.

If the change were rapid, this would be an example of punctuated equilibrium.

The correct answer is quantum.

Quantum is the smallest is the smallest quantity of energy that can be emitted or absorbed .This can be absorbed or emitted in the form of electromagnetic radiation. The energy of single quantum can be given by the equation:

E=hν where E= energy absorbed or emitted

h=plank's constant 6.63 x 10⁻³⁴ Js,

ν= frequency of radiation.

Answer:

in the plant cell

Explanation:

Chloroplast, structure within the cells of plants and green algae that is the site of photosynthesis, the process by which light energy is converted to chemical energy, resulting in the production of oxygen and energy-rich organic compounds. Photosynthetic cyanobacteria are free-living close relatives of chloroplasts; endosymbiotic theory posits that chloroplasts and mitochondria (energy-producing organelles in eukaryotic cells) are descended from such organisms.

Answer:

Volcanoes that have records of eruption are classified as active.

Explanation:

Currently there is no way accepted worldwide by all volcanologists to define an "active" volcano, since the life of a volcano can range from months to millions of years.

For this reason a volcano could be considered active only in comparison to human life expectancy. Thus, scientists consider active volcanoes those who have unusual seismic activity or have new gas emissions that must be considered, that is, they are about to explode.

Taking this definition into account, any volcano that has had an eruption in the course of human life is defined as active.

The correct answer is rapids and waterfalls.  

Rapids refers to the segments of streams with extensively vigorous currents, various obstacles, and steps in their streambeds. A waterfall refers to a vertical drop in a stream bed. Both are the locations of vigorous erosion.  

The rapids are generally produced where the resilient bedrock limits a stream to a narrow channel and forces an enhancement in the velocity of water.  

On the other hand, waterfalls are produced where the fast-flowing water negotiates a geologic contact amid the more resilient and less resistant layers of rock, or through a fault, which has analogized distinct kinds of rocks. Or it can be said that waterfalls usually produce at the end of a series of rapids.  

Answer: The correct answr is- Root of hair or hair follicle.

Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes. These cells are ideal for the extraction of nuclear DNA.

Thus, root of hair is the right answer.

Answer:

A. Cloning creates genetically identical offspring.

Explanation:

graded correct.

The prior unit curriculum was worded in a way a to make the word "offspring" within this question ambiguous. (adjective .  open to more than one interpretation; having a double meaning.   or unclear or inexact because a choice between alternatives has not been made.)

Which is why most students are here, because curriculum & question wording are often tricky.

Answer: The correct answer for the blank is-  Jointed appendages.

Appendage can be described as a part of the body that usually depicts an outgrowth in the body of an organism. Example- Legs, arms, fingers

Human beings have jointed appendages. These appendages possess bones that are linked to each other with the help of skeletal muscles, which are attached to cord like tendons that in turn are linked with bones of the appendages.

Therefore, jointed appendages is the right answer.

Answer: 3.27 grams

Explanation:

The value that is measured should have minimum error and minimum difference in weight with respect to the actual weight of the equipment.

The original weight of the pellet with a mass of 3.25 grams is measured and the most accurate weight around this number is 3.27.

The slight difference is due to error and this error can be calibrated.

Hence, the correct option is 3.27.