Practice mode / Environmental Science Humming bird belongs to a category called? A Option A: Ectotherm B Option B: Endotherm C Option C: Exotherm D Option D: Heterotherm. Correct answer B. Endotherm Show answer Report a problem How we write and check questions
Question 01 / Environmental Science Which of the following elements is not present abundantly in earth’s crust? A Option A: Silicon B Option B: Radium C Option C: Aluminum D Option D: Carbon Correct answer B. Radium Show answer Open question
Question 02 / Environmental Science Basic metals can be converted into gold by? A Option A: Heating B Option B: Beating C Option C: Artificial nuclear radioactivity D Option D: Chemical reaction Correct answer C. Artificial nuclear radioactivity Show answer Open question
Question 03 / Environmental Science One of the main function of the earth’s ozone layer is to? A Option A: Prevent global warming B Option B: Filter out ultraviolet rays C Option C: Absorb pollution D Option D: All of the above Correct answer B. Filter out ultraviolet rays Show answer Open question
Question 04 / Environmental Science Study of life in outer space is known as? A Option A: Endobiology B Option B: Exobiology C Option C: Enterobiology D Option D: Neobiology E Option E: Micro biology Correct answer B. Exobiology Show answer Open question
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