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.

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

The image shows groundwater zones. which zone shows the water table? 1 2 3 4