Convection currents in the mantle cause seafloor spreading. What is the result of this plate movement? magma piles up on top of the plates involved

the plates involved are cracked on the surface

earthquakes occur along the edge of the larger plate

the plates move apart, causing the ocean floor to increase in size

How does a command economy differ from a mixed market economy? in a command economy, citizens have fewer property rights. in a mixed market economy, citizens have more property in a command economy, citizens have more property rights. in a mixed market economy, citizens have fewer property rights in a command economy citizens own all public property. in a mixed market economy, the government owns all private, property in a command economy, citizens own all private property in a mixed market economy, the goverment owns all public property

Which of the following terms describes the layers of air surrounding the earth ?

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain