A(n) is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship

confounding variable
control variable
dependent variable
independent variable

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.