Answer:
D dangerous organisms
Explanation:
i’m almost 100% positive if not then it’s probably A global warming
The sun is a source of energy
Answer:
A. hairs on the back stand up when scared
Explanation:
B and C are not responses to stimuli, and D is a response to internal stimuli
One of the many changes are the seasons, ex Winter, Spring, Summer, Fall
Except: Cells need energy to survive.
That's the Answer.
