A. I may be wrong but back in history there was a lot of slavery going on through routes like Asia
Answer:
Are you showing the question? Are you supposed to put the labels on each individual photo?
Explanation:
For example I believe the upper left photo is a black hole and a black hole attracts everything nearby it
heat, wind, moisture/ humidity, dryness, natural disasters
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.