Which of the following BEST explains why there is currently a movement to sustain natural resources for as long as possible? A. Humans want to create “man-made” natural resources because mining natural resources is expensive.
B. Humans cannot create natural resources, so it will be difficult to replace them when they run out.
C. Humans are afraid that using natural resources is harming their overall health and wellness.
D. Humans are tired of having modern conveniences and are looking to live a more simplistic lifestyle.

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron