Question

Plz answer 3,4 and 5( if possible the rest of them too)

Answer 1

3. as plastic floats on water
4. to hold large amount of weight
5. coz it is designed in that way
6. so that we can cut easily
7. hydrogen is the lightest gas
8.

Answer 2

Ans3= theplastic relesadunderwatercomw up because the plastic cannot absorb because it  water and the water come up.              

Ans4= A truck has more wider tyres because it is also wider.

Hope it will help you✌✌✌✌