Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals? Choices: - marsupials - reptiles - mammals - amphibians A:
amphibians

Q: What plastid makes and stores other pigments? Choices: - pores - pores - sporozoans - chromoplasts A:
chromoplasts

Q: Q: What is the most common cause of cancer? Choices: - poor diet - smoking - technology mutations - cell mutations A:
A: cell mutations

Question: Q: What drives the turbine in a thermonuclear reactor? Choices: - magnets - heated oil - wind energy - heated water or steam A:
Answer: heated water or steam

*Question*
Q: What element is the sun mostly made up of? Choices: - manganese - mercury - helium - hydrogen A:
**Answer**
hydrogen

Q: What do organisms use to grow and repair themselves? Choices: - diffusion - mutation - cell solution - cell division A:
cell division