Food and Agriculture 1-3 (water, air and land ?s included)

Air pollution is when _________ substances build up in the air to unhealthy levels.

• fun

• good

• harmful

• weird

________ is when air pollution hangs over the urban areas and reduces visibility.

• smoke

• fog

• acid rain

• smog

What are the 3 main parts of the water cycle?

• precipitation, evaporation, and condensation

• evaporation, precipitation, and translation

• condensation, rain, and snow

• evaporation, condensation, and water

What is groundwater?

• water on top of Earth's surface

• ocean water

• water in the rivers

• water beneath the Earth's surface in sediment and rock formations

True or false. Water pollution is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.

• True

• False

______________ is the buildup of pollutants at higher levels of the food chain.

• pollution

• biomagnification

• eutrophication

• nonpoint-source pollution

Emphysema, lung cancer, and heart disease are all examples of....

• short-term health effects of air pollution

• long-term health effects of air pollution

• short-term benefits of air pollution

• long-term health effects of water pollution

The higher pH is the more _______ it is. The lower pH is the more _______.

• basic, basic

• acidic, acidic

• basic, acidic

• acidic, basic

What is urban land?

• Land that is covered with buildings and roads

• Land that contains relatively few people and large areas of open space

• used to grow plants for food and fiber

• and that is difficult to use for human purposes

What is urbanization?

• urban populations have grown, many small towns have grown together

• The resources that are produced by natural and artificial ecosystems

• all of the things that a society builds for public use

• movement of people from rural areas to cities