The development of small villages into the first cities was known as "<span>b. Urban revolution," although this should not be confused with a more modern term in which people congregate more in pre-existing cities. </span>
"background radiation" because if looked at right it can show u how old it is and since the big bang caused and enormous amount of light to come off it left a lot of radiator behind.
hope this is the correct answer.
tbh i haven't studied much about this so i had a little help
-harley
the answer is true i had the unit and i passed it plz mark brainliest
