19. The atomic number indicates how many neutrons there are, and the atomic mass tells us how many protons and neutrons are present within the nucleus of an atom.
<span>Time period refers to as how much a certain thing took to complete one cycle</span>
the answer for PLATO is:
"Yes, because these organisms likely depend on each other for survival. For example, plants and grasses can make food for insects and other small animals, such as rats. Carnivores can eat the small animals and obtain energy from them. Humans are also living things, sk they contribute to the ecosystems of these organisms. They can provide food for rats and insects. Humans can also water the plants"
Paraphrase that as you will.
Hibernation is when an animal hides away during the winter. They stock up with food before hand and sleep all winter. This is a survival tactic.
(A. it can alter precipitation patterns)