I think they would be European
The answer is true. Cayenne is the capitol of Guiana.
Answer is 1/4 of the atoms
at 0 years it would be the full amount (X)
at 10 million years you have half: X/2
at 20 million years you have 1/4 because: (X/2)/2 will equal 1/4
I think it would be hanging valley.
Answer:
My Guess is Urban centers are rapidly expanding in most regions of the world.
Explanation:
It makes the most sense, because Most of the worlds population is in big cities.
