Question

D) Define.
1) Frequency. 2) evaporation in short​

Answer 1

Answer:

1. Frequency is the rate at which something occurs over a particular period of time or in a given sample "an increase in the frequency of accidents due to increased overtime".

2.Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure. Evaporation is a fundamental part of the water cycle and is constantly occurring throughout nature.

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Answer 2

frequency

frequency is the number of occuraneces that changes in per unit of time

evaporation

when water change into water vapour is called evaporation