5. in september 2018, germans paid 1.50 euros per liter of gasoline. at the same time, american prices
were $2.75 per gallon. (one us dollar -0.90 euros, 1 gallon = 3.78 liters)
a. how much would one gallon of european gas have cost in dollars?
b. how much would one liter of american gasoline have cost in euros?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?