Q: Q: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system? Choices: - asteroids - particles - comets - meteorites A:
A: meteorites

Q: Q: Positive charge is mostly found in what part of an atom? Choices: - electron shell - neutrons - ions - nucleus A:
A: nucleus

Q: Q: The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what? Choices: - small intestine - colon - liver - large intestine A:
A: large intestine

Q: Q: The female reproductive organs include the ovaries, fallopian tubes, uterus, and what? Choices: - intestines - womb - bladder - vagina A:
A: vagina