When a metal bar is heated the increase in length is greater if
1 the bar is long.
2 the temperature rise is large.
3 the bar has a large diameter.
Which statement(s) is (are) correct?
A 1, 2, 3.
B 1, 2.
C 2, 3.
D 1.
E 3.
Plz help me ASAP!! ( ◜‿◝ )♡