If white vinegar is formed by one substance being dissolved in another substance, then what is formed by one substance being dissolved in another substance? Answer choices: - patch reefs - hydrogen and oxygen - organic molecules - a hydraulic system - calcite - white vinegar - Calcium carbonate - salinity
white vinegar

If light bulbs change electricity into heat, then what is converted to heat in a light bulb? Answer choices: - Firecrackers - electricity - peachleaf willow - an object - layers of fat - an electron lens - sunlight - our nearest star
electricity

If for short distances, bridges can replace ships, then which structure can replace a ship for short distances? Answer choices: - Weight - a bridge - Gravity - watershred - a yacht - Fuel cells - a house - a skyscraper
a bridge