Asked by Bianca

I am doing a crossword puzzle that has statements that you write their answers in the right column. I have two that I can't get.
Heart of a scientific investigation
what I have so far: --e-t--
standard of comparison for checking the results of an experiment
what i have so far: c---r--
Please help I can't figure it out
Answered by Damon
well, the second one might be control
Answered by Bianca
Thanks! Do you have any idea about the second one?
Answered by Ms. Sue
How about QUESTION for the first one?

Answered by Bianca
Ok thanks I got it now thank you! :)
Answered by Ms. Sue
You're welcome.
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