allow me to answer that for you
In the case of an object moving through a fluid, such as an aircraft in flight, the Mach number is equal to the velocity of the object relative to the fluid divided by the velocity of sound in that fluid.
Answer:
C
That means the answer is C, ecosystem diversity.
The answer to your question is,
B. Most body languages is related to emotions and attitudes.
-Mabel <3
Social psychology
This article is about the mind in a social setting. For other uses, see Social psychology (disambiguation). In psychology, social psychology is the scientific i think
