Q: Q: What two things are used in optical instruments to reflect or refract light? Choices: - orientations and lenses - mirrors and magnifiers - prisms and microscopes - mirrors and lenses A:
A: mirrors and lenses

Q: Q: What processes involve a transfer of electrons between the wire and the solution? Choices: - radioactive - magnetic - thermal - electrochemical A:
A: electrochemical

Q: Q: What type of cell transmits electrical impulses in the nervous system? Choices: - toxin cell - Large Cell - trace cell - nerve cell A:
A: nerve cell

Q: Q: Unlike an adult sponge, what stage is motile due to cilia that propel it through water? Choices: - parasite - zygote - pupa - larva A:
A: larva