Q: Electrons are organized into shells and subshells about the nucleus of this? Choices: - compound - molecule - element - atom A:
atom

Q: Prokaryotes divide via binary fission and do not undergo what process of cell division? Choices: - prophase - meiosis - fusion - mitosis A:
mitosis

Q: Q: What type of gas is a harmless gas that living things add to the atmosphere during respiration? Choices: - helium - oxygen - Hydrogen - carbon dioxide A:
A: carbon dioxide

Question: Q: Density is defined as the mass of an object divided by its what? Choices: - size - liquid - growth - volume A:
Answer: volume

*Question*
Q: The fertilized egg that sexually reproducing organisms begin life as is known as what? Choices: - gamete - fetus - infant - zygote A:
**Answer**
zygote

Q: Q: An element symbol without a charge written next to it is assumed to be what? Choices: - dead atom - corroborate atom - surfactants atom - uncharged atom A:
A: uncharged atom