Answer:
Through the process of photosynthesis, carbon dioxide is pulled from the air to produce food made from carbon for plant growth. Carbon moves from plants to animals. Through food chains, the carbon that is in plants moves to the animals that eat them. Animals that eat other animals get the carbon from their food too.
<span>Animals are generally more scared of humans than humans scared of them. Mice and other familiar animals run when they sense danger. The faster they run, the more danger they likely feel. Even humans have a natural instinct to flee when sensing danger.</span>
The reason why nost scientists thought that the first true cells formed on Earth were anaerobic is being shown in the second option :B. because there was no oxygen on early Earth. Paying attention to this fact scientists discovered that first cells were prokaryotes and greatest part of them created oxygen as a toxic by-product of their own metabolism which make them understand how the planet was provided with oxygen and made a conclusion that first cells were anaerobic.
C. Stomata
the stomatas are tiny holes which control the plants gas exchange with its environment. the stomata is located on the leaves of a plant
