Answer:
Air is essential for all organisms
The closest answer is C
The sympathetic nervous system is the part of the autonomic nervous system that prepares the body to react to stresses such as threat or injury.
The parasympathetic nervous system is the part of the autonomic nervous system that controls functions of the body at rest.
They bond together creating compounds
Answer:
algae. I just looked it up. algae are autotrophs meaning they make their own food. I hope this helps!
Answer:
all
Explanation:
represents an observation is fact
offers an explanation is theory
defines a relationship is laws
hope it helps