Author Question: A(n) is a substance composed of identical particles called __ that cannot ... (Read 90 times)

faduma · **on:** Aug 22, 2018

A(n) ____________ is a substance composed of identical particles called ______________ that cannot be broken into
simpler substances by chemical means. Fill in the blank(s) with the appropriate word(s).

Question 2

Why does sound travel rapidly though the lower well-mixed surface layer?
a. Temperature and pressure are homogeneous.
b. Temperature and salinity are homogeneous.
c. High refraction areas are produced.
d. Density is heterogeneous.
e. Shadow zones are produced