History Grade 12 Term 4

Question 1

Global Warming

Answer 1

Gradual increase overall temperature of earth’s atmosphere attributed with the greenhouse effect with increased levels of other pollutants.

Question 2

AIDS

Answer 2

Disease in which there is a severe loss of the body’s cellular immunity. Resistance to infection and malignancy.\

Question 3

HIV

Answer 3

Stop’s the body’s ability to fight the organisms that cause disease.

Question 4

Famine

Answer 4

Extreme scarcity of food.

Question 5

Carbon Dioxide

Answer 5

Colorless, odorless gas produced by burning carbon and organic compounds and by respiration.

Question 6

Carbon Footprint

Answer 6

Amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels.

Question 7

Greenhouse Gasses

Answer 7

A gas that contributes to the greenhouse effect by absorbing infrared radiation.

Question 8

Fossil Fuels

Answer 8

remains of ancient plants and animals used as fuel. Generate by burning fossil fuels are considered to be one of the principal causes of global warming.

Question 9

Alternative Fuels

Answer 9

Fuel other than gasoline for powering motor vehicles, natural gas, methanol, or electricity.