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Environmental Science MCQs

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Practice free Environmental Science multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 937 questions — no login required.

Question 928easy

Which of the following is the best indicator of SO₂ pollution.

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Question 929easy

Ozone depletion is mostly caused by

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Question 930easy

The green house gases, otherwise called radioactively active gases includes

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Question 931hard

In calm air the air temperature is -10^o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate:

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Question 932hard

The earth is tilted at an angle of 23.5^o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40^o, we would expect in middle latitudes:

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Question 933easy

Green House effect is caused by

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Question 934medium

Heat waves are generally considered to be little more than a nuisance and are not responsible for considerable loss of life.

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Question 935easy

The true statement about "green house effect" is that it is

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Question 936hard

Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32^oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be:

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