Answer:
A plant without fertilizers
Explanation:
A control group is a group where no changes are made so that it can be compared to the group that was tested on, or the independent test variables, to see the difference. So, a plant without fertilizers would be the answer.
<em>hope this helps ♥</em>
Answer:
1Identify a research question or problem.
2Form a hypothesis.
3Gather evidence, or data, to test the hypothesis.
4Analyze the evidence.
5Decide whether the evidence supports the hypothesis.
6Draw conclusions.
7Communicate the results.
Climate changes thats what im guessing .. not too sure though ... sorry
The story between the two pairs of scientists, Watson and Crick, who discovered just one of "the most important molecule in the history" is a series of ups and downs. They are an unlikely pair and they had difficulty in unraveling the molecule because neither are that much knowledgeable on structural chemistry.