Different areas of Earth's oceans receive different amounts of energy in the form of heat. What is the main source of this energy?
A. kinetic energy from tides
B. kinetic energy from ocean currents
C. energy transfer within Earth's crust
D. electromagnetic radiation from the sun

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

The conflict perspective explains deviance in terms of power and inequality. select the best answer from the choices provided true or false

Why would nations in latin america be part of a mostly arab cartel group known as opec? a) latin america refused to do business with countries that were not part of opec. eliminate b) natural resources such as oil are a major economic development for some latin american countries. c) latin america has a long history of distrust of the united states and fears a take-over of oil fields. d) latin american nations such as venezuela needed in getting natural resources to other parts of the world. 15