Question: Q: Zeros that appear in front of all of the nonzero digits are called what? Choices: - zero sum game - significant digits - non-numbers - left-end zeros A:
Answer: left-end zeros

Question: Q: Why do comet tails always point away from the sun instead of trailing behind the comet? Choices: - dust particles attract - dust particles evaporate - dust particles liquify - dust particles recoil A:
Answer: dust particles recoil

Question: Q: Pairs of fish that do not practice broadcast what may exhibit courtship behavior? Choices: - migration - feeding - inheritance - spawning A:
Answer:
spawning