Think about how the amount of energy changes as you move stepwise from producers to primary consumers to tertiary consumers in a food chain. which shape could you use to model the quantities of energy at all of these types? a.) sphere b.) prism c.) pyramid d.) line

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.