1. cotopaxi is the

smallest city in south america.

volcano located on "volcano boulevard."

highest waterfall in the world.

southernmost city of south america.

2. cerro tololo is home to

world's highest navigable lake.

one of the world's largest observatories.

highest waterfall in the world.

largest rain forest in the world.

I think, I know the answers for both questions. I hope it helps. Here they are: 
1. Cotopaxi is the volcano located on "volcano boulevard."
2. Cerro Tololo is home to largest rain forest in the world. But really it's one of the largest,

Mantle convection is the process that drives plate tectonics. the theory of plate tectonics states that the crust is divided into plates that float on the semi molten mantle below. the circular motion of the magma as it slowly rises and falls or move though convection cells drags the plates along causing them to move. the heat source in the lamp would represent the earth's core. the core is the source of energy that drives convection in the mantle. the lava represents molten magma under the earth's surface. if the lava lamp had floating pieces they would move as the circular motion of the lava in the lamp as it rises and falls would move them along the surface. these floating pieces would represent pieces of the earth's crust. 

Answer volcanic outgassing;