Explanation:
b because exercising during ilnesses is not healthy
Answer:
The control group is defined as the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
Explanation:
Quickening it is the process of the movement of the fetus , which is felt by the mother . It is observed in the second trimester .
The process of quickening is a natural phenomenon , which occurs in middle of the pregnancy .
The quickening process for a first time pregnant women is felt at around 18 - 20 weeks ,
And , the quickening process for a para woman , i.e. , who has given birth at least once is felt at around 15 - 17 weeks .
