What percentage of italy's exports travel by sea?

What greek scientist created a screw to move water for irrigation?

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.

Music the height of a wave or the amount of the wave carries is the amplitude. a. air b. nodes c. speed d. energy