) A single shallow convection cycle takes on the order of 50 million years, though deeper convection can be closer to 200 million years.

Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface.

Fan

Double Fan

Fan Meeting.

Howdy, fan.

Okay, fan.

I am a fan myself a fan with two worries.

Conduction, convection, and radiation all occur more rapidly over large thermal gradients.

A convection heat storage unit (CHS) system is similar to an ICS system, except the storage tank and collector are physically separated and transfer between the two is driven by convection.

Become a Fan

Fan In Vertical

Fan Wipe Effect

I'm your fan.

Hold it, fan.

Come on, fan.

The first one was the electric fan this was the 1890 electric fan.

Double Fan Wipe Effect

Russell's a huge fan!

I'm a big fan.

NURSE My fan, Peter.

I'm not a fan.

Prepare an electric fan!

I'm a Dodgers fan.

She's my anti fan!

As a fan interest.

The fan belt's shot.

Now, where's my fan?

On an automobile fan.

Okay, fan, pack up.

I don't either, fan.

Now you're clicking, fan.

Thanks for the fan.

This may be caused by the disappearance of a helium convection zone near the surface.

You are now a fan.

I'm your biggest fan forever

I know. He's your fan.

This is Dr. Fan Jianchuan.

In my desk drawer, fan.

Save it, fan. No booze.

You are a tennis fan.

Fan caught in the door.

Are you a Yankee fan?

With an electric fan blowing.

Fan His Magnitude. He sweats.