The increased biological activity in the oceans along the western coastlines of the continents is due to:

Of the following organisms, which appeared first in the fossil record? In other words, which evolved first?

__________ occurs when the land’s surface elevation is lowered due to pumping groundwater from an aquifer.

What is the source of oxygen that comprises part of Earth’s current atmosphere?

Coarse-grained sediments, such as sand and gravel, are transported in a river as __________.

What type of topography (or landscape) forms due to the dissolution of soluble bedrock, such as limestone?

Tell me about your experiences writing in English. What types of writing have you done? When? Where? What for?  (For full credit, write at least 100 words.)

Which of the following organisms are most closely related to dinosaurs?

Why are the Jovian planets found in the outer portion of the solar system?

Basalt is coarse-grained and is primarily composed of mafic minerals.