Q: You are presented with the quiz "Some light bulbs waste less of their energy producing what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some light bulbs convert electricity into light and heat energy" and "cFLs waste much less electrical energy generating unnecessary heat". So, what's the best answer to the question?

OPTIONS:
- O3
- loss
- SO2
- heat
- warmth
- light
- Green
- motion

A: heat

Q: You are presented with the quiz "what have a circulatory system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mollusks have a circulatory system with one or two hearts that pump blood" and "mussels are bivalve mollusks". So, what's the best answer to the question?

OPTIONS:
- protist
- fur seals
- veins
- mammals
- animals
- bacteria
- mussels
- sharks

A: mussels

Q: You are presented with the quiz "What can a mutation in the sex cells of a parent do to the offspring?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "amutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring" and "an adaptive trait helps an organism survive in a particular environment". So, what's the best answer to the question?

OPTIONS:
- population movement
- genetic diversity
- duplicate itself
- Change colors
- Plants growth
- hyperthyroidism
- Help it survive
- kill them

A: Help it survive

Q: You are presented with the quiz "What is used to cook with a pan?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an electric stove transforms electrical energy to heat energy" and "when using an electric stove, match the pan size to the cooking element". So, what's the best answer to the question?

OPTIONS:
- Heat energy
- Solar energy
- leaves
- energy
- trees
- bushes
- heating liquids
- oysters

A:
Heat energy