A couple of problems are erosion and the pollution of surface water and groundwater from agricultural biocides, which can decrease the water quality in nearby rivers or other water sources.
Alfred Wegener is the father of the plate tectonic theory.
Answer;
-The statements that are true of Pangea include;
A. Pangaea was one of several supercontinents that have formed and broken up during Earth's history.
C. Rates of seafloor spreading in the Atlantic Ocean are compatible with what is known about the breakup of Pangaea.
D. The regional-scale folds visible in the Appalachian Mountains are remnants of Pangaea's formation.
Explanation;
-About 300 million years ago, Earth didn't have seven continents, but instead one massive supercontinent called Pangaea, which was surrounded by a single ocean called Panthalassa.
-The movement of Earth's tectonic plates formed Pangaea and ultimately broke it apart. Pangaea existed during the Permian and Triassic geological time periods, which were times of great change.
<span>A buffer is able to resist pH change because the two components (conjugate acid and conjugate base) are both present in appreciable amounts at equilibrium and are able to neutralize small amounts of other acids and bases (in the form of H 3O + and OH -) when the are added to the solution.</span>Feb 7, 2016
Answer: The Central Nervous System and The Peripheral Nervous System