nitrogen, carbon, hydrogen, oxygen, phosphorous, and sulfur
<span>Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute.</span>
<span>The 1-kg ball accelerates twice as much as the 2-kg ball.</span>
Pro cells have cell wall but eukar don’t