The first accurate measurement of the size of earth was made by
a. eratosthenes
b. aristotle
c. ptolemy
d. newton

The climate in the temperate zone is cold in summers and warm in winters very cold year-round very warm year-round warm in summers and cold in winters

Which of the following statements about the us federal boundaries is true

Read the article titled "does the family farm really matter? " what reasons does this article suggest are the causes of the movement away from family farms to larger farms? (site 1 someone fast