You are presented with the question "What is converted by a photovoltaic array?" and the following answer choices: - Light - photons - bamboo - an object - sunlight - heat energy - warmth - Green beans Now knowing that asolar panel converts sunlight into electricity and solar energy is converted directly to electricity by the photovoltaic array, choose the best answer.
sunlight
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You are presented with the question "What could be used to separate salt from water" and the following answer choices: - Condensation - engines - Evaporation - Sublimation - a delta - Precipitation - energy - Time and energy Now knowing that evaporation can be used for separating a solute from a solvent in a solution and for example, in salt water, salt is the solute and water is the solvent, choose the best answer.
Evaporation
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You are presented with the question "heavy rains cause waters to what?" and the following answer choices: - rise rapidly - Condensation - parch the land - dry the soil - Sediment - threatened - dry up - swamp vegetation Now knowing that heavy rains cause flooding and flood waters rise rapidly, choose the best answer.
rise rapidly
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You are presented with the question "what do cycles of freezing and thawing water cause?" and the following answer choices: - Metling snow - water vapor - the looseness of soil - mechanical weathering - freezing oxygen - fissures of hot, acidic water - looseness of dirt or compost - explosions Now knowing that cycles of freezing and thawing water cause ice wedging and ice wedging is the most important form of mechanical weathering, choose the best answer.
mechanical weathering
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