Mathematics was the tool which scientists used to prove their theories and ideas. Mathematics was able to prove whether an idea a certain scientists had was correct or whether it was wrong. With this they wre able to advance the field very rapidly.
Answer:
https://www.npr.org/2021/09/09/1035418739/novels-and-short-stories-that-have-been-inspired-by-9-11-attacks
It is a super-continent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and it began to break apart about 175 million years ago.
It used to be one big continent that was connected that had eventually broke into many parts.
That is the meaning of it online.
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.
This is known as a dominant recessive relationship where one is in control and the other one listens
