Answer:
The color of the light changed
Explanation:
Correct on edge
<span>The group exposed to a newly created drug that is being tested in an experiment is called the experimental group.
Whenever any new drug is formed, it is first experimented then it comes in pharmacies for use. Experimental groups are given variables,one variable is tested at a time. After that experimental group is compared to control group.</span>
Here is how biologist study concept maps.
BIOSPHERE:
<span>ECOSYSTEMS:
</span>
COMMUNITIES:
POPULATIONS:
<span>ORGANISMS: </span>
ORGANS AND ORGAN SYSTEMS:
<span>TISSUES: </span>
<span>CELLS: </span>
ORGANELLES:
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When the bubbling takes place from Co2