Author Question: Nuclear fusion is the changing of hydrogen and helium into heavier elements of carbon, oxygen, ... (Read 151 times)

segrsyd · **on:** Aug 22, 2018

Nuclear fusion is the changing of hydrogen and helium into heavier elements of carbon, oxygen, silicon, and iron in stars.
Indicate whether the statement is true or false

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) It produces high refraction areas
D) Density is heterogeneous