Answer:
the first one is balanced.
Answer:
There's No Answer Im Sorry
The objects that are rubbed together will create charges among themselves due to friction.
(1) The balloon rubbed with a wool cloth will be charged.
(2) If she comb near a small, uncharged object nothing will change.
(3) This is a scientific investigation because it does not involved a step by step process to answer a scientific query.
Answer:iron and carbon
Explanation:I took the test it’s iron and carbon