This states that the universe has been present ever since and therefore has no beginning and no end and has been expanding constantly.

The earth's climate has been warming since the last glacial period which ended about how many years ago?

All planets rotate in the same direction.

Select the image that corresponds with convergent plate movement.

Which of the following is the name of the partly melted rock layer on which the plates move?

Arrange the planets in the solar system in ascending order.

Fossils may be found in an unaltered state in limestone's.