Question

27. Which of the following is used to make khadi
a)Jute
b)Silk
c)Cotton
d)Coir
28. Magnetite, an iron ore is
a)a natural magnet
b) an artificial magnet
c)an electromagnet
d)not a magnet
29. How much area of the Earth's surface is covered with water?
a)1/2
b)1/3
c)3/4
d)2/3
30. The purest form of water is
a)rain water
b)tap water
c)river water
d)none of thes​

Answer 1

Answer:

27.C

28.A

29.C

30.A

Explanation:

those are the answer

hope it will help you

Answer 2

Answer:

1. cotton
2. a natural magnet
3. 3/4
4. rainwater.