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Human Impact on Natural Cycles Quiz

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Which of the following gases is primarily responsible for the greenhouse effect?

Carbon Dioxide

Explanation

Main greenhouse gas trapping heat in the atmosphere.

What is the term for the process by which rivers carry dissolved minerals to the oceans?

Sedimentation

Explanation

Transportation of minerals to the sea.

Which of the following pollutants is a major contributor to acid rain?

Sulfur Dioxide

Explanation

Emission leads to acidic precipitation.

Which natural cycle involves the movement of phosphorus through rocks, soil, water, and living organisms?

Phosphorus Cycle

Explanation

Transfer of phosphorus between different reservoirs.

What is the primary cause of the depletion of the ozone layer in the stratosphere?

Chlorofluorocarbons (CFCs)

Explanation

Chemicals breaking down ozone molecules.

What is the main driver of deforestation worldwide?

Agriculture

Explanation

Clearing land for farming and grazing.

Which natural cycle is most directly affected by the burning of fossil fuels?

Carbon Cycle

Explanation

Burning fossil fuels releases carbon into the cycle.

Which of the following is a greenhouse gas released during livestock digestion?

Methane

Explanation

Produced by digestive processes of livestock.

What is the primary cause of coral bleaching in marine ecosystems?

Rising sea temperatures

Explanation

Warmer waters stress coral, causing bleaching.

#10

What is the term for the process by which plants release water vapor into the atmosphere?

Transpiration

Explanation

Evaporation of water from plant leaves.

#11

Which human activity contributes significantly to the depletion of the ozone layer?

Use of CFCs (Chlorofluorocarbons)

Explanation

Breaks down ozone molecules in the stratosphere.

#12

What is the term for the loss of a species from a particular habitat or from the entire planet?

Extinction

Explanation

Permanent disappearance of a species.

#13

Which human activity is a major contributor to ocean acidification?

Fossil fuel combustion

Explanation

Releasing CO2 into oceans, lowering pH.

#14

Which natural cycle is associated with the movement of phosphorus through the environment?

Phosphorus Cycle

Explanation

Cycle involving phosphorus in soil, water, and organisms.

#15

What is the term for the loss of a large portion of a glacier's mass over time?

Ablation

Explanation

Gradual reduction of glacier mass.

#16

In the nitrogen cycle, which process converts atmospheric nitrogen into a form plants can use?

Nitrogen fixation

Explanation

Conversion of N2 gas to ammonium.

#17

What is the term for the process of converting solid ice directly into water vapor without melting?

Sublimation

Explanation

Ice to vapor transition without passing liquid state.

Human Impact on Natural Cycles Quiz

Which of the following gases is primarily responsible for the greenhouse effect?

What is the term for the process by which rivers carry dissolved minerals to the oceans?

Which of the following pollutants is a major contributor to acid rain?

Which natural cycle involves the movement of phosphorus through rocks, soil, water, and living organisms?

What is the primary cause of the depletion of the ozone layer in the stratosphere?

What is the main driver of deforestation worldwide?

Which natural cycle is most directly affected by the burning of fossil fuels?

Which of the following is a greenhouse gas released during livestock digestion?

What is the primary cause of coral bleaching in marine ecosystems?

What is the term for the process by which plants release water vapor into the atmosphere?

Which human activity contributes significantly to the depletion of the ozone layer?

What is the term for the loss of a species from a particular habitat or from the entire planet?

Which human activity is a major contributor to ocean acidification?

Which natural cycle is associated with the movement of phosphorus through the environment?

What is the term for the loss of a large portion of a glacier's mass over time?

In the nitrogen cycle, which process converts atmospheric nitrogen into a form plants can use?

What is the term for the process of converting solid ice directly into water vapor without melting?

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