Which statement about franklin roosevelt is not true?

a) roosevelt's parents gave him good values, which he followed for the rest of his life.
b) roosevelt's withdrew from office during his second term after contracting polio.
c) roosevelt tried to concern himself with the average citizen, whom he called the " forgotten man."
d) roosevelt served as a new york senator, assistant secretary of the navy, and ran for vice president in 1920

b

Explanation:

he did not withdraw from his second term

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.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering