Q: What involuntary muscle is found only in the heart? Choices: - physiological muscle - respiratory muscle - digestive muscle - cardiac muscle A:
cardiac muscle

Q: What sound can be heard when sound waves bounce back from a hard object? Choices: - loop - eerie - boom - echo A:
echo

Q: Q: Because the nuclei of each h atom contain protons, the electrons in the bond are attracted to the nuclei (opposite charges attract). but because the two atoms involved in the covalent bond are both h atoms, each nucleus attracts the electrons by the same amount. thus the electron pair is equally shared by these? Choices: - four atoms - one atom - nine atoms - two atoms A:
A: two atoms

Question: Q: In animals, what process occurs only in germ cells, which are in the ovaries or testes? Choices: - mitosis - electrolysis - reproduction - meiosis A:
Answer: meiosis

*Question*
Q: Nails cover the tips of what? Choices: - lips and teeth - fingers and lips - ribs and nerves - fingers and toes A:
**Answer**
fingers and toes

(Question)
Q: Where do living things obtain the energy to carry out all life processes? Choices: - fuel - waste - oxygen - food A:
(Answer)
food