The water content of a sample is routinely determined by measuring the mass of a sample before and after it is subjected to .

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.