Practice mode / Environmental Science The source of oxygen in photosynthesis is A Option A: water B Option B: salts C Option C: minerals D Option D: glucose Correct answer A. water Show answer Report a problem How we write and check questions
Question 01 / Environmental Science Meteorology is the study of? A Option A: Seasons B Option B: Atmosphere C Option C: Air and sounds D Option D: Winds and clouds Correct answer B. Atmosphere Show answer Open question
Question 02 / Environmental Science What is Dry Ice? A Option A: Solid Oxygen B Option B: Solid Carbon Dioxide C Option C: Solid Hydrogen D Option D: Solid Nitrogen Correct answer B. Solid Carbon Dioxide Show answer Open question
Question 03 / Environmental Science The principal constituent of the atmosphere of the Earth is? A Option A: Oxygen B Option B: Carbon C Option C: Hydrogen D Option D: Nitrogen Correct answer D. Nitrogen Show answer Open question
Question 04 / Environmental Science The planet which is easily visible from the Earth is? A Option A: Mercury B Option B: Venus C Option C: Mars D Option D: Jupiter Correct answer B. Venus Show answer Open question
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