Answer: east-west
Explanation: They run east-west and they are supposed to measure the distance between the North and South of the equator
C) gravity because gravity compresses the start into the most compact shape possible
Well, if you make a limestone tower and a acid rain falls onto it, the tower will dissolve and then you won't have a tower
Answer: Doubling in size over equal time.
Explanation: Population exponential growth can be said to be an increase in the number by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.
For example, in 7² the factors are all 7, the power is 2 and the exponentiation gives 49.
This example is indicative of doubling in size.
