Question

some students are conducting a comparative investigation of soil. which step will they most likely complete as part of this investigation? collect and observe soil from different areas of the community. test the texture of one sample of soil. investigate a property of soil using a control group. observe the ph of a common type of local soil.

Explanation:

A comparative investigation involves comparing different things. Collecting and observing soil from different areas allows for comparison. Testing one sample (no comparison), using a control group (more of an experimental investigation), or observing one type (no comparison) don't fit a comparative investigation as well.

Answer:

Collect and observe soil from different areas of the community.