Human Impact on Environment and Climate

Which of the following matches a human action with its impact?

• Construction of dams : Decrease in carbon dioxide level.

• Use of fertilizers : Increase in population of aquatic animals

• Construction of bridges : Water pollution.

• Decrease in honeybee population : Increase in plant population.

The majority of the sun's radiation is absorbed by the....

• Land

• Oceans

• Ice

• Atmosphere

Where are ocean waters warmer?

• Near the equator

• Near the poles

Ocean currents move warm water and precipitation

• from North to South

• from South to North

• from the equator to the poles

• from the poles to the equator

Finish this sentence: More heat absorption, means more ________, which leads to more __________.

• condensation, precipitation

• deposition, evaporation

• evaporation, precipitation

• evaporation, deposition

Fill in the blank: Weathering and erosion are___________________events.

• Subsurface

• Surface

• Linear

• Subtropical

Fill in the blank: Plate techtonics is a _________________event.

• Surface

• Subsurface

• Linear

• Subtropical

How are metamorphic rocks formed?

• heat and pressure

• weathering and erosion

• compacting and cementation

• breaking and falling

How are sedimentary rocks formed?

• heat and pressure

• weathering and erosion

• falling and breaking

• compacting and cementing

Which of the following is the most likely impact of clearing a forest to construct a highway?

• Animal and insect population will decrease in the location.

• Carbon dioxide content in air will decrease.

• Surrounding atmosphere will have more oxygen.

• Animal and insect population will increase in the location.