4. Susan observed that different kinds and amounts of fossils were present in a cliff behind her house. She wondered why changes in fossil content occurred from the top to the bottom of the bank. She marked the bank at five positions: 5, 10, 15, 20 and 25 m from the surface. She removed 1 bucket of soil from each of the positions and determined the kind and number of fossils in each sample.

Hypothesis:

Independent Variable:

Dependent Variable:

Constant (at least one):

Control:

Number of groups:

Number of trials per group:

Question

Christian

28 February, 08:54

+5

Answers (1)

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Collin · Answer 1

5,10,15,20,25,30, that's how much it should have been