Ch.6 Atmosphere

today's atmosphere is mostly made up of invisible gases that include?

• nitrogen,oxygen
• oxygen, carbon dioxide
• nitrogen, carbon dioxide
• nitrogen, nitrous oxide

what is 78% of the atmosphere made up of?

• Oxygen
• carbon dioxide
• nitrogen
• other gasses

What is the atmospheric layer directly above the troposphere called?

• Troposphere
• Mesosphere
• Exosphere
• Stratosphere

What is the atmospheric closest to the Earth's surface called?

• stratosphere
• troposphere
• ionosphere
• thermosphere

What is the area of the stratosphere with a high concentration ozone ?

• ozone layer
• stratosphere layer
• troposphere layer
• ionosphere layer

What is the atmospheric layer father from Earth's surface?

• Thermosphere
• Stratosphere
• Exosphere
• Troposphere

What is it  when the force that pulls all objects toward Earth called?

• oxygen
• gravity
• temperature
• weight

In the mesosphere as altitude increases temperature again decreases. This is an example of what? 

• Change of Temperature & Altitude
• Temperature and Altitude
• Air pressure and temperature
• Temperature change

What is 50% of radiation reaches and is absorbed by earth surface an Example of?

• Earth's Atmosphere
• Visible lights
• Energy on Earth
• none

As the Sun's energy passes through the atmosphere, some is absorbed by gases and particles some is reflected back to space.
This is an example of..?

• Energy From The Sun
• Absorption
• Energy On Earth
• Reflection