Which step should you take before you begin a scientific investigation?
print the directions after you complete the experiment.
test out all of the emergency equipment you may need.
clarify any confusing information in the instructions.
purchase the equipment and chemicals you will need.
the correct answer is c. clarify any confusing information in the instructions.

The correct answer is C.

Clarify any confusing information in the instructions.

Explanation:

The very first thing that we need before conducting a scientific investigation is a set of instructions which might include the following information:

-What we are experimenting on?

-How are we going to do it?

-What things are needed for it?

If there are any confusions in the instructions, the chances of making a mistake rises. So, it is very important to clarify the confusions found in the instructions before choosing things needed for the experiment and starting the experiment.

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b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb