Question

Fill in the blanks.
in water.
I Sand is
2. Plastic is a
material.
of
3. Impure water is a
electricity
4不
4. Nickel is a
magnetic
substance,​

Answer 1

Explanation:

(a) magnetic material (b) non-magnetic. (c) none of these. 2. ... 3. North pole of magnet attracts south pole of other magnet. 4. Magnets will attract all ... Iron, cobalt, nickel, copper Others are magnetic materials.

Answer 2

Answer:

2)plastic is a material of non biodegradable

3) impure water is a good conductor of electricity

4)don't know

Explanation:

i can't understand the question for first one