Answer:
Because animals cannot produce energy directly from the sun, they must eat plants or other animals that eat plants, and acquire energy, either directly or indirectly, from glucose
Explanation:
Because radiation goes a long way. Radiation itself isn't visable but if it's from a nearby star you'll be able to see the star. Radiation keeps moving outwards forever. Things that can sense radiation that you can't see will help you have an idea how far away the source of that radiation is from
Hi lovely,
The answer you're looking for would be B).
<span>In the passive transport, the diffusion takes place down the concentration gradient of a solute, and do not require the wxpense of energy. But sometimes, carrier proteins are used for transport of the substances who can not cross the membrane, on their own, such as water and carbon dioxide. They are polar and have some charge, therefore, are not able to cross the hydrophobic membrane without carrier proteins. So, your answer is D.</span>
