The heliocentric theory was devised by

leonardo da vinci
nicolaus copernicus
galileo
johannes kepler

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

hello,

what started the norman conquest?

profound political, administrative, and social changes in the british isles. last line of my information: )

thing is, i'm afraid, you can't.

the most you can do is log out and never log in again.