The Vice President’s role as next in line for the presidency was officially established by . the 22nd Amendment to the Constitution the Presidential Succession Act of 1947 the 25th Amendment to the Constitution Article II, Section 1 of the Constitution

What three rules does our Constitution list about who can be President of the ... The twenty-fifth amendment established the order of succession to the presidency ... According to the Presidential Succession Act of 1947, if something happens to both the President and the Vice President, who are the next two people in line

Explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.