Answer:
Overgrazing by livestock is leading to significant environmental degradation—Grevy's zebras compete with the ever-increasing livestock population and agricultural crops for water.
Explanation:
The right answer for the question that is being asked and shown above is that: "B) advances in scientific knowledge." The contribution to the growth of nationalism from 1750-1914 is that it <span>advances in scientific knowledge.</span>
a pretty long time. those are pretty long words after all, so.