In addition to paleomagnetism, what other evidence was needed to determine the rate of seafloor spreading?
a the strength of the magnetic field
b the age of each strip of rock
c minerals in the rocks
d the thickness of the rock layers
what causes the earth’s magnetic field?
a currents in the earth’s liquid-metal outer core
b magnetic particles located at the earth’s poles
c molten material in the mantle
d the mineral composition of the earth’s crust

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

What organ systems are working to you cool down after a workout?

Organize the word parts according to where they appear in a medical term.