Q: What do erythrocytes carry and deliver to tissues in the body? Choices: - Helium - carbon - oxide - oxygen A:
oxygen

Q: This knocks electrons from atoms and turns them into ions? Choices: - convection - chemical reactions - evaporation - radiation A:
radiation

Q: What do you call the sudden flow of mud down a slope because of gravity? Choices: - rockflow - typhoon - mountainside - mudslide A:
mudslide

Q: What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons? Choices: - decomposition - precipitation - carbonation - oxidation A:
oxidation