Question

please solve this question one by one please help me​

Answer 1

Answer;

1 true

2 Proteins are often called the body's building blocks

3 ozone layer protect us from harmful sun rays which even cause skin cancer

4 in solids molecules are tightly packed in liquid loosly packed in gas the particle are free to move as there is no intermolecular force

5 nylon

6 The techniques of dissolving, filtration and evaporation are used.

7 by increasing the temperature

8 underground modification of stem and aerial modification

Answer 2

Answer:

Q11 False (animals are also)

Q12 Proteins

Q13The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun.

Q14 solids-tightly packed

liquids-loosely packed than solids

gases-very loosely packed

Q15 nylon (as it is a artificial fiber)

Q16 evaporation

Q17Solubility often depends on temperature; the solubility of many substances increases with increasing temperature.

Q18herbaceous stems and woody stems