The growing population in East Africa encouraged early human migration because an increasing number of people . A.
used up the resources
B.
created widespread disease
C.
engaged in constant warfare
D.
improved farming techniques

Answerprediction;

The area they r in. this  the answer.

Water enters the atmosphere through photosynthesis.

Some proof is the mountains in argentina seem like they connect perfectly with mountains in africa. north america was attached to other continents over 250 million years ago and it touch south america, africa, and northern europe.