Environmental Science - Study Mode
[#646] The hottest atmospheric layer is the:
Correct Answer
(C) Thermosphere
Explanation
Solution: Because there are relatively few molecules and atoms in the thermosphere, even absorbing small amounts of solar energy can significantly increase the air temperature, making the thermosphere the hottest layer in the atmosphere. Above 124 mi (200 km), the temperature becomes independent of altitude.
[#647] If you want to keep an object cool while exposed to direct sunlight,
Correct Answer
(D) Wrap it in aluminum foil with the shiny side facing outward
Explanation
Solution: If you want to keep an object cool while exposed to direct sunlight, wrap it in aluminum foil with the shiny side facing outward.
[#648] Man and biosphere programme is affiliated with
Correct Answer
(A) UNESCO
Explanation
Solution: Man and the Biosphere Programme (MAB) is an intergovernmental scientific programme, launched in 1971 by UNESCO, that aims to establish a scientific basis for the improvement of relationships between people and their environments.
[#649] Succession initiated on large sand deposits or deserts is called
Correct Answer
(B) Psammosere
Explanation
Solution: Succession initiated on large sand deposits or deserts is called Psammosere.
[#650] The famous Minamata disease in Japan is due to the accumulation of____________in fishes.
Correct Answer
(B) Mercury
Explanation
Solution: Minamata disease, which can induce lethal or severely debilitating mental and physical effects, was caused by methylmercury‑contaminated effluent released into Minamata Bay by Chisso, Japan's largest chemical manufacturer. It resulted in widespread suffering among those who unknowingly ate the contaminated fish.