Answer:
Karl Schwarzschild discovered black holes in 1916.
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It so should be A.
Mark branliest if it is correct!
Soil erosion is a form of soil degradation and is referring to the displacement of the top layer of soil.Two human activities that can increase the rate of soil erosion are farming and logging. These two activities make the top layer of soil looser, resulting in the washing away of the soil by wind and water. Two natural events that can cause an increase in the rate of soil erosion are fire and earthquakes.
Sugar and starch are Carbohydrates.