<span>The correct answer is D. The US Food and Drug Administration examines many different substances and approves them when their benefits outweigh the risks. To be approved, manufacturers must prove to the FDA that their product is both safe and effective, so if the drug is ineffective, it is unlikely that the FDA will approve it.</span>
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Answer:
To give a demonstration of (something, such as a product or procedure), to show how (something) works, is prepared, or is done.
Explanation:
Answer:
Explanation:
Cuando observamos algo, ¿lo hacemos como una cámara fotográfica? Pues parece ser que no. Nuestro cerebro interpreta algunas cosas de forma consciente y otras de forma inconsciente. De este segundo tipo, una de las funciones más importantes es precisamente el procesamiento de los datos enviados por los ojos.
