Answer: mathematics
Explanation:
Mathematics is the study of quantity, space, structure of a concerned entity or population size. A scientific experiment may be based on the analysis of variables must be having large sample size. Therefore, quantitative estimation of the results is required. Hence, a scientist requires mathematics to interpret the results of a scientific experiment.
By all plants, algae, and some microorganisms
It is better for the whales to go where the whales have the ability to dive longer and deeper to find cooler water.