The line at zero degrees latitude is also called the
a. equator
b. tropic of capricorn
tropic of cancer
prime meridian

d. she conquered the black sea coast and parts of poland.

your answer would be just capitalism.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69