The biosphere is best described as the regions of Earth that support . A. Plant life b. Animal life c. All life d. Human life Please select the best answer from the choices provided A B C D

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false

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