Question

A farmer is trying to determine why some weeds sprayed with weed killer do not die.

i think it is the first one
To begin a scientific investigation of this issue, what would be the first step for the farmer?

Research what others have already found.
Draw conclusions about the plants in his field.
Begin an experiment with a control group.
Analyze the data collected from the experiment.

Answer 1

Research what others have already found.

Step-by-step explanation:

If people have already figured out the problem and solution then he won't need too. Hope This Helps:)

Answer 2

Yes, you're correct, it's the first one. He should do research before he does an experiment, because someone else may already know.