Environmental Science Chapter 3: The Dynamic Earth

What often occurs at tectonic plate boundaries?

Earth is

Where do organisms obtain the energy that they need to survive?

How did the Himalayan mountains and some of the other youngest mountains on earth form?

The layer of Earth's atmosphere closest to the surface where we live.

The average global salinity of seawater by weight is approximately

In the troposphere, which of the following decreases as altitude increases?

Which is among the earth's most powerful and abundant greenhouse gases?

What is the second most abundant gas in Earth's atmosphere?

How many oxygen atoms are in an ozone molecule?

Coldest layer of earth's atmosphere.

Layer of earth's atmosphere containing the ozone layer.

Water used for drinking and agriculture

The mixture of gases that make up the air we breathe

What type of system is Earth?

What does the ozone layer absorb?

Which of the following correctly lists earth's physical layers from the surface down?

Tiny, free-floating marine algae

What is the second largest ocean on Earth?

What is the estimated temperature of Earth's inner core?

Volcanic ash mixed with water during an eruption.