If birds will die if they lack food, then what will a bird die without? Answer choices: - life - Light - energy - fats - water - Limbs - oxygen - food
food
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If aflashlight requires a source of electricity to produce energy, then aflashlight needs electricity to produce what? Answer choices: - stay warm - movement - waves - an object - Decibels - energy - improve - warmth
energy
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If nutrients are molecules, then what are nutrients, basically? Answer choices: - nucleus - protoplasm - glucose - allow growth - cells - roots - health - molecules
molecules
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If caffeine excites the central nervous system, then what excites the central nervous system? Answer choices: - motion - competition - eating - learning - heat - caffeine - sweating - turkey
caffeine
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