Wind

equal and balanced

full of as much particles as possible

as cold as possible

the world will hope humans can fix it

the world will try to fix it to make it equal

Yes, the two boxes are equal

No, the two boxes are not equal

lower air pressure

higher air pressure

the air pressure was not in equilibrium

the temperature was in equilibrium

hot air

cold air

It heated up the air that was over the ice to make the particles spread out

it moved air particles from the location of high pressure to the location of low pressure

elevation

river speed

chemical composition

air pressure

Revolution of the Earth around the sun

The distance of the sun from the Earth

the uneven heating of the Earth

H

H

L

L