What is a chemical equation? 1.A short way to show a chemical reaction using symbols.
2.A way to show a physical change using symbols. 3.A way to explain a chemical reaction using words.
4.A way to show a physical change using words.

the answer would be a

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.