Which type of transport requires the added energy of ATP?

A. active

B. passive

Babies with very low or very high weight are less likely to survive .

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?