Morgan L a blanket around the earth

More _____ may be good for some plants.

• CO3
• CO2
• oz2
• 0z1

Which of these problems can be caused by air pollution?

• Respiratory problems
• Reduced food sources for humans
• Increased disease for humans
• Decrease in global temperatures

What is the major cause for air pollution? 

• factories and cars
• cigarretes 
• deforestation
• oil spills

Why is the increase of Greenhouse gasses a big issue?

• It causes climate change and increase in the global temerature 
• It can lead to a major increase in Greenhouses 
• It leads to more factories
• It causes a major decrease in people

 What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

What gas from the list below is a cause for global warming?

• Urethane
• Oxygen
• Carbon Dioxide

Without the "greenhouse effect"

• Overnight temperatures would plunge downward
• the earth would catch on fire
• the earthe would heat up drastically
• the atmosphere would leave

What do greenhouse gases do?

• absorb Earth's outgoing infrared photons
• reflect Earth's incoming infrared photons
• magnify ultraviolet radiation in the atmosphere
• block the Sun's infrared radiation

Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Water vapor
• All answers are correct

Which of the following is NOT a greenhouse gas?

• Oxygen
• Carbon Dioxide
• Methane
• Nitrous Oxide