It is the Watt per square meter, or W/m2.
C. evaporation of sweat warms the body
FAT CAT ATE TER AT
the sentence does not make sense, it is an example of deletion mutation
answer is amount of mass in a certain volume
The surroundings or conditions in which a person, animal, or plant lives or operates.
The natural environment encompasses all living and non-living things occurring naturally, meaning in this case not artificial. The term is most often applied to the Earth or some parts of Earth.