What is the energy source of the convection cells in the earth's mantle?

a.
magma pushing through the crust at hot spots

b.
radioactive decay in the earth's interior

c.
gravity acting on the edge of the plates

d.
the sun's energy heating the crust

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?