What is this property of impulse response is called ___________h1(t) * h2(t) = h2(t) * h1(t)

What is this property of impulse response is called ___________h1(t) *

1.	What is this property of impulse response is called ___________ h1(t) * h2(t) = h2(t) * h1(t)
A.	Associative property
B.	Commutative property
C.	Distributive property
D.	Closure law
Answer» C. Distributive property