Q: What do we call zeros that appear after nonzero digits? Choices: - left-end zeros - significant digits - placeholders - right-end zeros A:
right-end zeros

Q: The earth's biomes are categorized into two major groups named what? Choices: - icelandic and aquatic - aquatic and galactic - terrestrial and galactic - terrestrial and aquatic A:
terrestrial and aquatic

Q: Why are exotic species also called invasive species? Choices: - disregard other species - imitate other species - help other species - threaten other species A:
threaten other species

Q: List the three major types of blood vessels. Choices: - vessels, tubes, veins - veins, capillaries, vessels - vessels, arteries, capillaries - arteries,capillaries, veins A:
arteries,capillaries, veins