Question

Ok so whoever can answer all of these for me gets brainliest don't do a hypothesis though because I do that on my own just the independent and dependant variables pls
What effect does road salt have on cars?
Hypothesis:
Independent variable:
Dependent variable:

What effect does fertilizer have on rose bushes?
Hypothesis:
Independent variable:
Dependent variable:

What effect does salt levels have on blood pressure?
Hypothesis:
Independent variable:
Dependent variable:

Do light levels have an effect on bird migration?
Hypothesis:
Independent variable:
Dependent variable:

What effect does artificial sweetener have on blood sugar levels?
Hypothesis:
Independent variable:
Dependent variable:

Answer 1

Answer:

I = road salt

D= cars

I = fertilizers

D= rose bushes

I = salt levels

D = blood pressure

I = light levels

D= bird migration

I = artificial sweetners

D = blood pressure

Explanation:

independent variable is the one that is changed.

Dependent variable is the one that has to stay constant.