Question

which one is correct in both questions​

Answer 1

Answer:

Wires on electric poles are given some sag to prevent breaking in winter.

A bimetallic strip is made of two separate strips of metal stuck together. These two strips expand to a different extent when heated. So, when the strip is heated, one strip will be longer than the other. Therefore, the bimetallic strip will bend. An example is iron and brass.

Answer 2

Answer:

I followed you but u didn't

u r so rude

infact u not even mark my answer as brainliest....

Explanation:

u have 5 minutes if you follow then ok

if not then I will unfollow u....