If afire requires a by-product of photosynthesis, then afire requires a by-product of what? Answer choices: - sunlight - heat energy - electromagnetic energy - photosynthesis. - evaporation - heating liquids - Electrical energy - harmful substances
photosynthesis.

If if something is outside during the day then that something will receive energy from the sun, then if something is outside during the day then that something will receive what? Answer choices: - rays or beams - energy from Mars - ice - water - energy from the sun - wavelengths and photons - sun's heat - rain or sun shine
energy from the sun

If not enough precipitation will negatively affect the harvest, then what affects the harvest? Answer choices: - climate - thunder - competition - precipitation - Pollution - lightning - Time and energy - earthquakes
precipitation