The "Land Bridge Theory" is helpful in explaining which of these situations? A) how mountains are formed by water B) how the Americas were populated from Asia C) how the continents broke apart millions of years ago Eliminate D) how Europeans were able to make colonies in North America

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line