Which features of a rock's grains determine its texture? check all that apply. color formation pattern shape size

Several billion years ago which gas was the least prevailant in the atmosphere

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Fredrick griffith made a scientific discovery in 1928