Unit 2 test

Question 1

……… and …………. occur frequently along the boundaries of the tectonic plates

Answer 1

earthquakes / volcanoes

Question 2

erosion

Answer 2

the removal of soil, sediment, rock, etc. by weathering from wind, water, and ice

Question 3

deposition

Answer 3

when particles being eroded are deposited on a surface

Question 4

what caused the aral sea to shrink

Answer 4

The government diverted the water upstream to cotton farms

Question 5

Why is it a problem that the water levels in the colorado rivers are decreasing

Answer 5

Phoenix and Las vegas are dependent on the river for hydroelectric power

Question 6

Positive impacts of dams

Answer 6

Hydroelectric power, flood control

Question 7

negitive impacts of dams

Answer 7

Block the flow of silt, flooding of homes upstream of the dam

Question 8

What water ways are connected by the panama canal

Answer 8

Atlantic and pacific oceans

Question 9

what water ways are connected by the suez canal

Answer 9

mediterranean sea and the red sea

Question 10

what water ways are connected by the erie canal

Answer 10

atlantic ocean and the great lakes

Question 11

reservoirs

Answer 11

large natural or artificial lakes used as a source of water supply

Question 12

irrigation

Answer 12

the method of moving water from a natural source to where it is needed, often for farming

Question 13

Agricultural terracing

Answer 13

A technique were step are carved into the sides of mountains creating farmland (china, SE asia, andes mountains)

Question 14

polders

Answer 14

Land created by building dikes to keep water out (netherlands)

Question 15

Desertifiaction

Answer 15

proccess in which fertile land becomes desert usally due to drought, deforestation, or innappropriate agriculter

Question 16

Areas of recent deforestation

Answer 16

brazil, madagascar, south asia, indonesia, phillippines

Question 17

Key causes of air pollution

Answer 17

car exhaust, fossil fuels, oil refineries, pesticides, radioactive fallout

Question 18

areas heavily affected by acid rain

Answer 18

china, black forest, eastern US and canda

Question 19

Areas affected by big oil spills

Answer 19

gulf of mexico, Alaska

Question 20

what caused the disaster at the Chernobyl nuclear power plant inf 1986

Answer 20

A poorly planned power outage test

Question 21

effect automobiles have on the environment

Answer 21

pollution
loss of habitat
Urdan sprawl, suburbs

Question 22

effects airplanes have on the environment

Answer 22

Exhaust
loss of habitat

Question 23

Positive impact of chemical fertilizers

Answer 23

increased agricultural production

Question 24

negitive impact of chemical fertilizers

Answer 24

Chemicals get into water and kills animals

Question 25

positive impact of Mechanization

Answer 25

increased production

Question 26

negitive impact of mechanization

Answer 26

poorer farmers can’t afford to compete

Question 27

Advantages of fossile fuels

Answer 27

portable, powerful

Question 28

disavantages of fossile fuels

Answer 28

pollution

Question 29

advantages of nuclear energy

Answer 29

powerful

Question 30

advantages hydroelectric power

Answer 30

minimize pollution

Question 31

disadvantages of nuclear power

Answer 31

dangerous if accidents happen

Question 32

advantages of wind power

Answer 32

minimize pollution

Question 33

disadvantages of wind power

Answer 33

aesthetics (looks)

Question 34

advantages of solar

Answer 34

Minimze pollution