Match each theory with its description. 1. oscillating universe theory 2 the universe came from a very dense, very hot "fireball" that exploded and expanded into existence. 2. inflation theory 3 the universe is a never-ending cycle of big bangs and big crunches. 3. big bang theory 4 the universe has always been and continues to be the same. 4. steady state theory 1 a very, very fast expansion and acceleration of the universe happened milliseconds after the big bang.

abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.

the use of electrical signals that transit messages is know as

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.