Question

a) _____ metal is used to make filament in electric bulb.
b) Magnetic effect increases with the increase in number of _______ .
c) The dark colour substance which increases the fertility of soil is ______ .​

Answer 1

Answer:

Tungsten. Turns or coils. Manure

Answer 2

Answer:

a tungsten

b turns of coil

c humus

hope it helps