Why did we use percentages to make predictions rather than actual measurements?

Percentage value is used for the predictions rather than the actual measurement this is so because the predictions can be wrong so the value is taken per 100 person or can be defined as per cent.

The actual measurements cannot be used because it is a prediction. Only the approximate value can be used so because there is no precise data.

There is no exact data which can be used to determine the predictions. So, prediction are always made in terms of per cent which means per 100.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called