We found that a new type of plastic grocery bag require half as much energy to recycle as the old type of plastic bag

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

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic