1. a fossil is determined through radioactive dating to be 1.5 million years old. this is an example of *1 point

a)absolute dating
b)age measurement
c)fossil aging
d)relative dating

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?

What is the function of the nucleus in the euglena cells you observed?

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form