Question

4. Why do marine scientists often take more than one representative sample? (1 point)

A.Populations can vary even within the same region.
B.There are often mistakes in representative samples.
C.There is a long tradition of taking several samples when documenting population.
D.Marine scientists lack the technology to determine the population at the ocean’s depths.

Answer 1

The answer will be B

Answer 2

B

Step-by-step explanation:

Marine scientists take more than one sample because there could be mistakes in a sample.