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Environmental issues

APHUG 11.2 NOTES

Subject: 
Human Geography
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Tags: 
agriculture
Agricultural economics
Industrial agriculture
crops
Environmental issues
Subsistence agriculture
Green Revolution
Genetically modified food
Intensive farming
Cash crop
Organic farming
Crop rotation

Insights The Third Agricultural Revolution -The third revolution is also called the Green Revolution -It began in the US during the 1930s when scientists manipulated seed varieties to increase crop yields -In the 40s, US philanthropists funded research in Mexico to improve maize/corn yields -By the 1960s, Mexico no longer imported corn -Basic definition: agriculture meets science -Many feel the Green Revolution has hurt subsistent farmers that may try and sell their surplus -Green Revolution has had little affect in Africa where their agriculture focuses on different crops and they have lower soil fertility -Green Revolution focused on rice, wheat, and corn -India became self sufficient by the 1980s -Asia saw a 2/3 increase of production between 1970 and 1995

Nonrenewable resources notes

Subject: 
Environmental Science
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Tags: 
matter
Chemistry
Soft matter
Fuels
Sedimentary rocks
Environmental issues
Fuel gas
Fossil fuel
Coal
air pollution
Hydrocarbon
Natural gas
Environment

Name: ____________________________________ The Earth's Resources 1. Nonrenewable Resources a. _________________________________ take millions of years to form and accumulate b. _________________________ are hydrocarbons that are used for energy. They are formed from the _____________ of __________ and _____________. ( Coal is the solid form of ___________________ used for fuel. - Almost _____% of coal is used for power production. - The smoke from burning coal is a major part of _____________ coal is a major part of Acid Rain ( _____________________&____________________ are the liquid and gas forms of hydrocarbons used for energy.

Ozone

Subject: 
Environmental Science
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Chemistry
pollution
Environment
Smog
air pollution
Pollutants
Millennium Development Goals
Environmental issues
Ozone depletion
Ozone
Particulates
Carbon dioxide

Ozone: Ozone is found near the ground in the troposphere, and it is also a major component of smog. The ozone close to the ground should not be confused with the ozone in the upper layer of the atmosphere (the stratosphere), which screens out harmful ultraviolet rays. Ozone is formed when nitrogen oxides and volatile organic compounds mix in the sunlight, and therefore ozone levels are always higher in summer. Nitrogen oxides are formed by burning fossil fuels, and some sources of volatile organic compounds are factories and trees.

APES MIDTERM 2007

Subject: 
Environmental Science
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Tags: 
Chemistry
matter
Environment
Millennium Development Goals
Environmental issues
Oxides
Energy economics
Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.

APES MIDTERM 2007

Subject: 
Environmental Science
Rating: 
0
No votes yet
Tags: 
Chemistry
matter
Environment
Millennium Development Goals
Environmental issues
Oxides
Energy economics
Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
midterm
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.
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