Which of the following methods transmits a drug directly into the bloodstream?

I think Intravenous transmits a drug directly into the bloodstream.

Hope this help! :)

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide