D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
It is because that's a place where no one lives so they're safe.
The movement in phloem is bidirectional, whereas, in xylem cells, it is unidirectional (upward).
Homeostasis it is an organism's ability to keep a constant internal environment.
Answer:
Energy transfer will stop when both objects reach equilibrium
Explanation:
