What human activities could decrease erosion? Check all that apply.

stripping the land of vegetation to build a mall

letting cattle overgrazing farmland

planting trees and shrubs

surrounding a corn field with a fence or shrubs

leaving roots after harvesting crops

contour or terraced farming

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

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