D). The person is traveling at an increasing speed for 10 seconds and then travels at a constant speed for 15 meters per second for 10 seconds
The answer is B
hope this helps
Answer:
The definition of a pure line is a result of inbreeding where animals or plants have certain characteristics that are the same through generations. An example of a pure line is the result of inbreeding of a certain flower to help it fight off diseases.
If this is a true or false question, then the answer is true.
