If some light bulbs waste much less energy generating unecessary heat, then some light bulbs waste less of their energy producing what? Answer choices: - O3 - loss - SO2 - heat - warmth - light - Green - motion
heat
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If mussels have a circulatory system, then what have a circulatory system? Answer choices: - protist - fur seals - veins - mammals - animals - bacteria - mussels - sharks
mussels
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If mutation in the sex cells of a parent can help the offspring survive, then what can a mutation in the sex cells of a parent do to the offspring? Answer choices: - population movement - genetic diversity - duplicate itself - Change colors - Plants growth - hyperthyroidism - Help it survive - kill them
Help it survive
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If heat energy is used to cook with a pan, then what is used to cook with a pan? Answer choices: - Heat energy - Solar energy - leaves - energy - trees - bushes - heating liquids - oysters
Heat energy
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