Question

you have got first sports completion write to your mother/ father expataion ​ write a notice
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Answer 1

Explanation:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.

Answer 2

Explanation:

The compound formed by the cation of the base and the anion of the acid is called a salt. The combination of hydrochloric acid and sodium hydroxide produces common table salt, NaCl: The word salt is a general term which applies to the products of all such acid-base reactions.