Answer: Option B) The length of time over which the conditions are measured
Explanation:
Weather is the atmospheric condition of a given area over a short period of time, usually days to several months
Climate, on the other hand, is the atmospheric condition of a given area over a long period of time, usually over 2 years.
Thus, weather and climate differ based on the length of time over which the conditions are measured.
A= cell wall
B= cytoplasm
C= Plasmid
Multicellular? or do you mean animals?
To be able to compare the results to a sample without any of the independent variable added.