Q: Q: Excretion of ions occurs mainly through what organ? Choices: - Heart - lungs - tissues - kidneys A:
A: kidneys

Q: Q: What is the process of generating electric current with a magnetic field? Choices: - mechanical induction - magnetic induction - electromagnetic ordination - electromagnetic induction A:
A: electromagnetic induction

Q: Q: What is the name for the transfer of thermal energy between particles of matter that are touching? Choices: - activation - induction - convection - conduction A:
A: conduction

Q: Q: Like earth, the moon has a distinct crust, mantle, and what else? Choices: - temperature - polarity - atmosphere - core A:
A: core