Greenhouse Gas
A gas composed of molecules that absorb and radiate infrared radiation from the sun.
What is a Greenhouse gas?
Made up of one carbon and two oxygen atoms.
What is CO2?
The layer of the atmosphere at an altitude of 15 to 40 km in which ozone absorbs ultraviolet solar radiation.
What is the ozone layer?
Winds that blow predominantly in one direction throughout the year
What are prevailing winds?
The distance north or south from the equator that is expressed in degrees.
What is Latitude?
Earth’s average global temperature increased during this time period.
What is the 20th century?
A molecule made of three oxygen atoms
What is ozone?
High levels of UV light can kill these single-celled organisms that live near the surface of he ocean.
What is phytoplankton?
Belts of prevailing winds are produced in both hemispheres, these belts of winds are called
What are trade winds?
Each CFC molecule contains from one to four of these atoms.
What are chlorine atoms?
Disruption of global weather patterns, global rise and sea levels and adverse impacts on human health are results of this.
What is a warmer Earth
Harmful to organisms because it can damage the genetic material in living cells.
What is UV light?
In 1987, a group of nations made this agreement, to sharply limit their production of CFCs.
What is the Montreal Protocol?
These have a great effect on climate because water holds large amounts of heat.
What are ocean currents?
What has been happening to the concentrations of greenhouse gases in Earth's atmosphere over the past 200 years?
It has been increasing.
The _____ reported that the average global surface temperature increased by 0.6ºC during the 20th century, snow and ice cover has dropped, and the global sea level has risen.
What is the IPCC?
Hydrocarbons in which some or all of the hydrogen atoms are replaced by chlorine and fluorine.
What are CFC's?
CFC molecules remain active in the stratosphere for
What is 60-120 years?
This is a long-term, 20 to 30 year change in the location of warm and cold water masses in the Pacific Ocean.
What is Pacific Decadal Oscillation?
Water vapor, carbon dioxide, CFCs, methane, and nitrous oxide.
What are the major greenhouse gases?
Each CFC molecule contains from one to four of these atoms, which can destroy 100,000 ozone molecules.
What is Chlorine?
Ozone produced by pollution does this with other substances in the troposphere long before it can reach the stratosphere to replace ozone that is being destroyed.
What is break down or combine?
23.5°
What is the tilt of the Earth's axis?