Plants help prevent erosion by? A.) plants to not help prevent erosion.

B.) plowing across the slope to create slopes.

C.) anchoring soil in place so is not blown or washed away.

D.) allowing soil to be blown or washed away.

What is the percentage of hydrogen in c2h4

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

Henry moseley used x-ray experiments to determine the atomic number of elements. how did his discovery contribute to the development of the periodic table? a.it confirmed that elements should be arranged in strict order of increasing atomic mass. b.it led to elements with similar atomic numbers being grouped together. c.it allowed the elements to be placed in strict order of increasing atomic number. d.it showed that the way mendeleev grouped elements together was completely wrong.