Why was the panama canal built?
to shorten travel time from panama to the caribbean islands
to separate panama from south america
to shorten the shipping route from the atlantic to the pacific ocean
to establish a military base for mexico

What causes the cycle of seasons on earth? the tilt of earth’s axis the shape of earth’s orbit the direction of earth’s orbit the distance between earth and the sun

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

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.