A. it is based on a scale of 0 to 14
<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>
A. Moisten and filters incoming air
Answer:
The node
Explanation:
Each branch point on the cladogram represents where species split off into new ones. The node represents the last point at which 2 new species shared a common ancestor.
Answer:
It's a loner compared to other stars.
Explanation:
Most stars have a companion, with some part of a triple or even a quadruple system.
