What is one of the reasons Alfred Wegener believed Earth's continents once formed a single massive supercontinent

Fossils of creatures that could only live in freshwater were found across   oceans, continents seemed to connect like puzzle pieces, and the same rock formations were found on coasts of different continents.

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.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.