Answer:
2nd answer
Explanation:
potential energy is stored energy
Answer:
<em>At the respiratory membrane, where the alveolar and capillary walls meet, gases move across the membranes, with oxygen entering the bloodstream and carbon dioxide exiting. It is through this mechanism that blood is oxygenated and carbon dioxide, the waste product of cellular respiration, is removed from the body.</em>
<em></em>
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
I think it's the first one: the red fox that inhabits farmlands and forests has a red coat, but it's relative, the kit fox, lives in a desert has a sandy-colored coat
The most appropriate answer is A !!