Blog

Most, but not all, geologists believe the Earth’s age to be about __________ years.

Hurricanes derive their energy from

An air mass derives its characteristics from the __________.

Minerals are classified based on their physical and chemical properties which include __________.

Storms generally occur along the area where two air masses meet, which is called a(n)

Most earthquakes are caused by __________.

Oxygen is supplied to the atmosphere by __________.

The most active, restless parts of the Earth’s crust are located at the __________, which is why volcanoes, mountains, and fault lines are common features often found there.

Although scientists do not know with certainty the composition and structure of the Earth’s interior, indirect evidence, including earthquake body waves, has led scientists to believe the Earth is made up of four regions which, in order from the center of the Earth outward, are __________.

Most active volcanoes are located in an area along the margins of the Pacific Ocean known as the __________.