The blank era featured the longest periods with no life forms on Earth. A. Cenozoic
B. Mesozoic
C. Palezoic
D. Precambrian

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

What could the united states of america do to improve their status? name at least 3(ap human geography)

Audrey planned to move from iowa to arizona. en route, she was offered a job in colorado, which she accepted. she now lives in denver, colorado, and works for an athletic apparel design company.