during inventory, connie noticed there were 640 grams of a radioactive substance, how many grams would remain after 2 half lives ?

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

would be false hope this out

a and c

c is 100% but i am confused in a

change tension