In what era did plants begin flourish?
a. cenozoic
b. paleozoic
c. mesozoic
d. precambrian

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose

Anight-club bouncer, now a top official,put coke or pepsi in it; first three initial. combine all lakes; but i still have more,of all the places; i have the largest shore.what am i? ?