Ques: If acompound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain, then what comes from burning coal and oil dissolving in water in the atmosphere? Answer choices: - Plant growth is reduced - A transportation fuel - Generating heat - harmful substances - DNA damage and mutations - A compound that donates proton - ozone depletion - Mutagenic chemicals
Ans: A compound that donates proton

Ques: If wind going through a whistle would cause vibrations in the whistle, then what would wind going through a whistle cause? Answer choices: - vortex - friction - vibrant colors - waves - Energy. - kinetic energy - absence of sound - vibrations
Ans: vibrations

Ques: If earth orbiting the Sun causes weather changes, then earth orbiting the Sun causes changes to what? Answer choices: - weather - sunlight - colors - food - herds - water - earth - climate
Ans: weather

Ques: If arteries carry bright red blood, then what do arteries carry? Answer choices: - brain waves - bright red blood - wavelengths and photons - nerve cells - energy of moving objects - Veins and arteries. - veins - heat energy
Ans:
bright red blood