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GEC 11 - ENVI SCI > PRELIM - PPT 1 > Flashcards

PRELIM - PPT 1 Flashcards

1
Q

is defined as surroundings that have the conditions for living organisms to operate

A

ENVIRONMENT

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2
Q

Environment includes the living and nonliving components such as…

A

air, water, and energy.

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3
Q

The word Environment is derived from the French word “____” which means “____”.

A

Environ = surrounding

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4
Q

The natural environment consist of four interlinking systems namely

A

Atmosphere
Hydrosphere
Lithosphere
Biosphere

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5
Q

____ includes all water bodies; functions in a cyclic nature, which is termed as hydrological cycle or water cycle.

A

Hydrosphere

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6
Q

Hydrosphere includes a body of waters such as…

A

Lakes
Ponds
Rivers
Streams
Ocean

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7
Q

____ means the mantle of rocks constituting the earth’s crust

A

Lithosphere

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8
Q

Lithosphere mainly consists of…

A

Soil
Earth rocks
Mountains

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9
Q

Lithosphere is divided into three layers …

A

Crust
Mantle
Core (Inner and Outer Core)

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10
Q

____ is otherwise known as the life layer, it refers to all organisms on the earth’s surface and their interaction with water and air.

A

Biosphere

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11
Q

Biosphere consists of…

A

Plants
Animals
Micro-organisms

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12
Q

____ is the cover of the air, that envelope the earth

A

Atmosphere

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13
Q

Atmosphere contains gasses like…

A

Oxygen
Carbon Dioxide

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14
Q

The five concentric layers within the atmosphere that can be differentiated by its temperature and characteristics…

A

Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere

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15
Q

warmer nearer the surface of the Earth 60 ℉/17 ℃; extends from Earth’s surface to, on average, about 12 kilometers (7.5 miles) in height; tasked with holding all the air plants need for photosynthesis and animals need to breathe, and also contains about 99 percent of all water vapor and aerosols

A

Troposphere

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16
Q

temperature increases with height -15 ℃/-60 ℉; 12 and 50 kilometers (7.5 and 31 miles) above Earth’s surface; best known as home to Earth’s ozone layer, which protects us from the Sun’s harmful ultraviolet radiation; nearly cloud- and weather-free; also the highest part of the atmosphere that jet planes can reach.

A

Stratosphere

17
Q

Coldest Layer; Located between about 50 and 80 kilometers (31 and 50 miles) above Earth’s surface; the top of this layer is the coldest place found within the Earth system; Most meteors burn up in this atmospheric layer. Sounding rockets and rocket-powered aircraft can reach the mesosphere.

A

Mesosphere

18
Q

Hottest Layer; Located between about 80 and 700 kilometers (50 and 440 miles) above Earth’s surface; lowest part contains the ionosphere; is both cloud- and water vapor-free; The International Space Station orbits here.

A

Thermosphere

19
Q

The aurora borealis is found on what hemisphere?

A

Northern hemisphere

20
Q

The aurora australis is found in what hemisphere?

A

Southern Hemisphere

21
Q

Located between about 700 and 10,000 kilometers (440 and 6,200 miles) above Earth’s surface; the highest layer of Earth’s atmosphere; there’s no weather at all; Most Earth satellites orbit in the ___.

A

Exosphere

22
Q

____ is an interdisciplinary academic field that integrates physical and biological sciences to the study of the environment, and the solution of environmental problems; provides an integrated, quantitative, and interdisciplinary approach to the study of environmental systems.

A

Environmental Science

23
Q

Environmental Science deals with…

A

Ecology
Physics
Chemistry
Biology
Soil Science
Geology
Atmospheric Science
Geography

24
Q

____ incorporate more of the social sciences for understanding human relationships, perceptions and policies towards the environment.

A

Environmental Studies

25
Q

____ focuses on design and technology for improving environmental quality.

A

Environmental Engineering

26
Q

Environmental scientists work on subjects like the

A
  • understanding of earth processes
  • evaluating alternative energy systems
  • pollution control and mitigation
  • natural resource management
  • the effects of global climate change
27
Q

Environment science has become significant for the following reasons:

A

-Environment issues being of international importance
-Problems cropped in the wake of development
-Explosively increase in pollution
-Need to save humanity from extinction
-Need for wise planning of development

GEC 11 - ENVI SCI (7 decks)

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