Answer:
A. Elected representatives
Explanation:
Got it right on Edge 2020
Answer:Atoms of different elements are similar. Because they all are made of electrons, protons, and neutrons. Only difference is There numbers are different.
Explanation:
Answer:
when =AD 150, sorry I don't know what the answer to where is.
If a researcher studies the effectiveness of anti-drug commercials by comparing the self-reported frequency of drug use among teens six months before and six months after the commercial aired, she is using an Pretest/posttest design.
Answer: Option D
<u>Explanation:</u>
The pre-test is defined as a test carried out on a product or service before it is set to enter into the market for sale. It is usually done to check not only the effectiveness and efficiency of the product or service but also to check the safety of it too.
Sometimes a product or service is exposed to text after it enters the market. This is known as post-test as that is carried out after the product enters the market.