Answer: The answer is A: Algae.
Explanation: Bacteria, deer, and cows are all consumers while algae is a producer.
hope this helps you :D
A constant is something that is kept the same throughout the course of a experiment. So I would guess C) because they are not doing anything special. If it’s not C then it is A. :)
He might be dehydrated, give him some cool water to drink and let him rest a little before getting treated.
I didn’t see any of the following but I can say that one reason they use it is to record their findings
