When using the scientific method, what should be the first step?

Observation

Explanation:

The scientific method is a series of steps or procedure through which scientists come to conclusion about the natural world.

Chronologically, the scientific method involves the following steps:

Hence, the first step is observation.

its like this, "if i give a plant an unlimited amount of sunlight,then the plant will grow to its largest possible size."

hope it let me know if it does or doesn't =^-^=

b is the best answer for this question.