Question

Define:
a) Ranges
b) Peaks
c) Mountain ranges
d) Hill ranges
e) Plateaus

Answer 1

a)A range of things is a number of different things of the same general kind.
b)The pointed top of a mountain.
c)A mountain range or hill range is a series of mountains or hills ranged in a line and connected by high ground.
d)Hill range is a series of mountains or hills ranged in a line and connected by high ground. 
e)Plateaus are table like surface.