The average salinity of sea water is

A. 3%

B. 3.5%

C. 2.5%

D. 2%

What unit is represented by the smallest intervals printed on a centimeter ruler?

45.77 cubic inches to cubic centimeters

IN which phase change is there a decrease in kinetic energy? a Solid to liquid b Liquid to gas c Solid to gas d Gas to solid

A speeding truck travels in the positive x direction. It hits a car traveling in the positive y direction. The vehicles are deformed and travel together at an angle with the positive x-axis.

Look at the symbol. Which component in a circuit does it represent? A. conductor B. AC power source C. DC power source D. switch

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?

Earthquakes along the subduction zones near Sumatra and Chile are some of the strongest in the world.

What number is between 2000 and 2500

If a car changes its velocity from 32 km/hr to 54 km/hr in 8.0 seconds, what is its acceleration?

Explain why meteorologists compare new weather maps and weather maps that are 24 hours old