Answer:
The depth at which Drew found the algae
Explanation:
The dependent variable was the depth at which he found the algae, because that is what he measured on each day.
The independent variable was the sky conditions, since that changed from clear to cloudy, which impacted the dependent variable/the depth of the algae.
Answer:
i think nicotine travels through blood and we know blood reaches the right ventricle first
maybe right ventricle
Answer:
the last one because
Explanation:
matter is not created or destroyed so everything that you put in the solution will make up the mass