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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The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
The answer would be respiratory because that system is used to breath oxygen and exhale carbon
The answer is : Light waves would be more likely to be refracted or diffracted, thus failing to reach plants and phytoplankton
Sunlight is needed by the producer(plants, phytoplankton) in the ocean to do photosynthesis. When an are is attacked by severe storm, the area will be covered by cloud of the storm which impede the light, cause it to be refracted or diffracted. This will cause less light comes to the producer of the plants and phytoplankton.
Answer:
*Every student may not have access to internet.
*Learning on gadgets may distract the mind .
*It is not effective way to teach.Everyone may not have good environment for learning.
