Answer:
it is (a) USDA certification
Explanation:
apex
The experimental control is the standard used as a comparison for the experimental groups.
For example, you may be trying to find out how different types of disinfectants affect bacterial growth. The control group would receive <em>no</em> disinfectant whereas the experimental groups would be the ones on which the disinfectants were tested.
Hope this makes sense!
<span>are
in random, constant, straight-line motion</span>
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<span>your welcome :)</span>
<span>all I Ask is for a thank u peaceeee</span>
<span>An organism that contains chloroplasts is able to produce food by the process of
"Photosynthesis"
Hope this helps!
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