Which statement best describes a negative effect of human activity on Africa’s waterways? A. Dams have changed river flows, which has led to erosion.
B. The use of rivers to water crops has led to droughts.
C> Population growth has led to the destruction of rivers.
D The use of river transportation has harmed water quality.

A)Dams have changed river flows, which has led to erosion.

Explanation:

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; women of color tend to be misrepresented as either "good girls" or "bad girls';