Cells,tissue,organ organism,organ system
The independent variable is a variable that can be stood alone. So therefore, the independent variable would be how long it takes to parachute.
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
Answer:
depression
Explanation:
i honestly don't mean this in a rude way, but the answer to this question should be pretty obvious. try to do your homework on your own, it will really pay off in the long run. believe me, midnight cramming for exams isn't the way to go :/
