Question

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Answer 1

attachment refer to it okk

Answer 2

$\sf\bold{Fill\: in\: the\: blanks:-}$

1) The accumulation of lactic acid during causes muscle cramp.

2) Air expands on heating and contracts on cooling.

3) Time between one sunrise and the next sunrise is called a day.

4) Wool is a poor conductor of heat.

5) Two methods by which rusting of iron can be prevented are an oiling and painting.

$\sf\bold{Write\: True\: and\: False}$

1) False

2) False

3) True

4) True

$\sf\bold{Match\: the\: following}$

a) Yeast $\implies$ Chest activity

b) Diaphragm $\implies$ Alcohol

c) Skin $\implies$Stomata

d) Leaves $\implies$Lungs and skin

e) Fish $\implies$Gills

f) Frog $\implies$ Earthworm