Question

please help me my dear friends
this is an emergency ​

Answer 1

Answer:

Digestion is an exothermic reaction. During the process of digestion complex substances such as starch carbohydrates and proteins are broken down into simpler form such as simple sugar and amino acids respectively. ... Since energy is produced in the process of digestion ,it is an exothermic reaction

Answer 2

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6) The particles, 'X' are dust particles.

7) Gas 'Y' is Air.

8) This phenomenon being exhibited by 'X' particles is called the Brownian motion.

9) The fast moving air molecules are constantly hitting the tiny dust particles, causing them to move rapidly in a very haphazard manner.

10) The gaseous matter 'air' is made up of tiny particles that are constantly moving.