What is one reason why rock layers are not horizontal? They were formed at an angle.

They were formed veritcally.

The area was once covered by water.

A force pushed the rock layers after they were formed.

Which muscle is responsible for inhalation ?

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f

Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.