The height of a sinusoidal wave is called its
a. phase.
b. amplitude.
c. period.
d. frequency.

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

The softest and hardest minerals are: softest hardest