Answer:
d,d
Explanation:
all the things are all the above because they have those to help the bears survive
Energy<span> cannot be created or destroyed, but it </span>can be saved<span> in various forms.
</span>The term that denotes <span> the capture of energy produced at one time for use at a later time is energy storage.
Thermal energy might be saved up for future use.
</span>Thermal storage is used for electricity generation<span> by using power from the sun, even when the sun is not shining</span>
The answer is b because there are cracks in the ocean that are caused by two plates crashing
Oxygen is an abiotic factor that is beneficial by-product of primary production.
<u>Explanation:</u>
The non living parts of an ecosystem that mainly affects the living organisms in it are called as an abiotic factor. These can include soil, temperature, water, oxygen and sunlight. The major energy source in earth is Oxygen which is abiotic factor.
It is very essential for the photosynthesis process to take place. Here, the plants converts water and carbon dioxide into oxygen and sugar. This becomes food for plants. Then these plants are eaten by animals. Thus oxygen is an important and beneficial by-product of photosynthesis. Oxygen is also very important for the survival of human beings.
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction
