Ques: Q: Hydrogen gas is generated by the reaction of nitric acid and what else? Choices: - gaseous iron - martian iron - carbon - elemental iron A:
Ans: elemental iron

Ques: Q: Often determining the strength or intensity of a wave, this term is the distance from the equilibrium point of motion to either its lowest or highest point? Choices: - frequency - density - peak - amplitude A:
Ans: amplitude

Ques: Q: What does the urethra do? Choices: - filters urine and makes sperm - stores sperm and urine - makes sperm and evacuates bowels - carries urine and sperm out of the body A:
Ans: carries urine and sperm out of the body

Ques: Q: What kind of hormones are derived from cholesterol? Choices: - germs - Antibiotic - synthesis - steroid A:
Ans:
steroid