Question

you investigated pollution and plant growth. answer the question. which plant had the healthiest looking germinating seeds? a. salt b. detergent c. oil d. control

Explanation:

In a pollution and plant growth experiment, the control group is not exposed to pollutants (salt, detergent, oil are all pollutants that harm seed germination). The control group has optimal, unpolluted conditions for healthy seed germination.

Answer:

D. control