Environmental Systems Unit 6 Practice Test Study Guide

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31 Terms

1

Drip

_ irrigation delivers water directly to plant roots, making it more efficient.

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2

Clear Cutting

____ is the least environmentally sustainable type of logging.

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3

malnourished

When people lack adequate nutrients in their diets to be healthy, they are ______.

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4

deforestation

The temporary or permanent removal of forests for human use is ____.

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5

unsustainable practices

Natural capital degradation is often the result of ____.

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6

The green revolution

___ is responsible for feeding millions of people.

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7

Pollution prevention

_____ is one of the best ways to avoid natural capital degradation of land resources.

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8

less

GMO crops usually require ___ pesticide.

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9

Many policymakers use _____ to make decisions.

Cost-benefit analysis

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10

Biotechnology

a type of engineering that introduces new genes in organisms

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11

arable land

land that is suitable for crops

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12

food security

adequate and reliable supply

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13

GMO

An organism that has been scientifically modified to produce an organism better suited for human use.

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14

indirect

The desertification of an area from deforestation due to mining gold would be a(n) ___ cost of the gold.

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15

mining

The process of removing minerals from the earth's crust is _____.

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16

natural service

The nitrogen and carbon cycles are each an example of a ___.

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17

GMO crops usually ___ biodiversity.

decrease

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18

Crop rotation

___ allows for both the tillage of green manure and a decrease in disease.

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19

cow

Of the following animals, the ___ produces the most greenhouse gases.

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20

Natural resource

Phosphorous mined to be used as a fertilizer is an example of a ___.

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21

the green revolution

The introduction of industrial agriculture methods as well as engineered crop varieties to developing countries is ___.

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22

5%

Good topsoil consists of ___ organic matter.

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23

to make less or harmful

migitate

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24

industrial agriculture

Farming that uses machinery, synthetic chemicals, and irrigation is ___.

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25

subsidence

the process of ground collapsing above underground mines

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26

green manure

freshly cut vegetation that gets tilled into the earth

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27

compost

decayed organic material used as a plant fertilizer.

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28

___ is a method of mining used to extract minerals directly beneath the ground.

strip mining

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29

____ are a renewable resource.

forests

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30

Define the term lithification.

the process of particles cementing together to form rock

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31

Excessive ___ can lead to salinization and waterlogging.

irrigation

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