suppose that only 200 sperm out of the original 400 million sperm deposited in the vagina survive the journey in the egg what percentage is this

In some states, medical marijuana is legal. this means that people who need to take marijuana because of a medical condition may take it only with approval from the doctor. however, officers still advise these people not to drive while under the influence.what is the main reason for this? they would become dangerous to themselves and other people.they would not able to read and follow street signs.they would not be capable of staying in only one lane.they would become dangerous to wildlife that may be present.

In order to remain wellness the parts of the health triangle always need to be?

What are three major influences on whether someone starts to use tobacco