<span>The best method used to prevent soil depletion would be contour farming.
In contour farming, the land is tiled in consistent elevation. Contour farming is efficient in reducing soil depletion because it can conserve rain water and reduce the erosion of soil.
If there is no contour farming in your option, then choose A. Adding fertilizer. </span>
The purpose of control group 2 is to determine if the new drug was a possible method for getting well, i.e., option B.
<h3>What is way of testing medicines?</h3>
In a laboratory, drugs are first subjected to non-human tests. These laboratory tests are performed to determine a level of safety.
The results of these tests are then submitted to the United States Food and Drug Administration (FDA), which determines whether the treatment is safe enough to be studied in human volunteers.
There are various phases involving discovery, clinical trial, review, and safety monitoring.
The purpose of control group 2 is to determine if the new drug was a possible method for getting well
Thus, the correct option is B.
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Answer:
It's B.
How many individuals in the state of Texas earn over $35,000 a year?
Explanation:
The answer is cerebellum.
The cerebellum is located at the lower area of the rain. It is easily identifiable because of its unique shape. It plays an important role in voluntary movements like walking and writing because it is responsible for balance and coordination. It receives messages from the sensory systems of the spinal cord and parts of the brain.
