ScienceTestDan

The atmosphere is a mixture of

• gases

• liquids

• solids

• all of the above

Which is the most abundant gas?

What provides oxygen and other gases that organisms need to survive?

What are the layers of the atmosphere?

• exosphere

• thermosphere and mesosphere

• exosphere, thermosphere, mesosphere, stratosphere and troposphere

• ozone layer

In which layer is the ozone found?

Which is the uppermost layer of the atmosphere?

Where is ultraviolet from the sun absorbed?

• thermosphere

• Ozone

• exosphere

• all of the above

In which layer do the clouds form and weather occurs?

What is the amount of water vapor in the air?

• humidity

• cloud

• H20

• None of the above

What is a visible mass of condensed water vapor in the atmosphere?

• Ozone

• mountains

• cloud

• all of the above