True, abstinence is the practice of giving up something, it necessarily doesn't have to be all about sex, which is many average thinkers are taught in schools. It can be alcohol or even toys and games!
HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
The answer is B because when the product is still being used after it's expiration date, it has higher chances of having mold or spoiling. That's why you would always want the product with the latest expiration date, so that the product won't expire so early. In which could mean that that type of product is the freshest.
Is this written out correctly?
they are only for driving on the highway