Q: Photosynthesis produces oxygen as a byproduct, and respiration produces what as a byproduct? Choices: - carbon monoxide - nitrogen - ozone - carbon dioxide A:
carbon dioxide

Q: Which layer of the earth is molten? Choices: - the inner core - the metallic core - the mantle - the outer core A:
the outer core

Q: Q: What type of minerals form when salt water evaporates? Choices: - sulfide - carbonate - fermite - halide A:
A: halide

Question: Q: Sodium and chloride ions have equal but what charges? Choices: - path - positive - simple - opposite A:
Answer: opposite

*Question*
Q: Microfilaments are mostly concentrated just beneath what? Choices: - the nucleus - the cell wall - the cytoplasm - the cell membrane A:
**Answer**
the cell membrane

Q: Q: Where does fertilization usually take place? Choices: - uterus - ovary - vagina - fallopian tubes A:
A: fallopian tubes