Answer:
C.
to arm enslaved people and start an uprising against slavery
Explanation:
American Robin eats insects such as earthworms and caterpillars. Just this knowledge is enough to know that it's not a herbivore: but it could be a carnivore. however, it also happily eats fruits and berries: so yes, it's an omnivore.
Concentrate on pronunciation. (Kun-TROLE group) In a medical control, the group that does not receive the new remedy is being studied. This organization is compared to the group that gets the new remedy, to see if the brand new remedy works.
A control organization in a scientific test is a set separated from the relaxation of the test, in which the unbiased variable being examined can not affect the effects. This isolates the independent variable's effects on the experiment and can help rule out opportunity factors of the experimental effects
In a systematic observation, a managed institution is used to set up a reason-and-impact relationship by using keeping apart the effect of an independent variable. Researchers change the independent variable inside the treatment institution and hold it regularly within the control group. Then they examine the results of those agencies.
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