Question

Please tell me answer fast..​

Answer 1

Answer:

Cotton absorbs sweat from our body

They break down dead plants and animals

Provides hydration and helps in the process digestion

Iron is oxidised in presence of moisture

They gain kinetic energy and move faster

Joins at the elbowb is a hinge joint whereas our arm have a ball and socket joints that can be rotated to 360 degree

Answer 2

Answer:

1. because it is of very thick layer .

2. because they recycle or eat waste from the environment

3. because it is needed for many activities of our body like digestion etc.

4. Rusting is a chemical change because a new substance is formed.

5. because of increase in temperature

6.because our arms have joints but our knee doesn't have joints .

Explanation:

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