Which of the Following Statements Is/are CORRECT?
1)Thermoplastics Are a Class

Multiple Choice

Which of the following statements is/are CORRECT?
1) Thermoplastics are a class of polymers that will not decompose at temperatures as great as 700 ^$\circ$ C.
2) Thermosetting plastics harden when heated,but they regain their elasticity when cooled.
3) Elastomers are materials that spring back to their original shape when stretched.

A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 1,2,and 3