Question

As we know that the leaves of plants are waterproof due to cuticle. On the
same way, take some pieces of paper of leaf size and make them waterproof. After
completion, put half of these paper pieces in cold water and half in hot water. Do all
the pieces of paper remains waterproof? Explain your observations and results with
justifications.
​

Answer 1

Answer:

3

2х -3 - 9

3х - 9

т

8 +В

4

4 -

4 - 28

9 + 3

2

Фа

3х-Я - 3

дx F4 - 8

S =

х = 5

Sub in equo,

3(s) - 3

15 -9 = 2

- 3 = 3-)