Environmental Science - Study Mode

[#341] The atmosphere near the earth's surface is "heated from below." Which of the following does not significantly contribute to this heating?
Correct Answer

(D) Heat energy from the earth's interior

Explanation

Solution: Heat energy from the earth's interior contribute to this heating.

[#342] The gradual physiological adjustment to slowly changing new environmental conditions is known as
Correct Answer

(C) Acclimatization

Explanation

Solution: The limits of tolerance and optimal range of distribution may vary in different seasons in some species of animals.If some environmental factors shifts beyond the limit of tolerance of organism: in such condition the organisms can come to the resting stage or migrate or the can be acclimatise them in new environmental conditions.

[#343] The word Tsunami is derived from two Japanese words
Correct Answer

(B) Tsu(harbour) and nami(wave)

Explanation

Solution: Tsunami is a Japanese word from a double root: tsu, meaning port or harbour, and nami, meaning wave.

[#344] The proper order from shortest to longest wavelength is:
Correct Answer

(C) Ultraviolet, visible, infrared

Explanation

Solution: The electromagnetic spectrum includes, from shortest wavelength to longest: Ultraviolet, visible, infrared.

[#345] DDT is a ______________ pollutant
Correct Answer

(B) Non biodegradable

Explanation

Solution: As DDT harms the environment it is a pollutant. It is used to kill the mosquitoes thus, it is a chemical insecticide and not antibiotic.