Highlight the details in the passage that tell about Old Faithful. There are two types of geysers: cone and fountain. Old Faithful is a cone geyser, which means that the vent on the Earth's surface (at the ground level) is shaped like an upside down ice-cream cone (without the ice cream, of course). When Old Faithful erupts, water shoots out through the cone into the air.

This passage explains what
.

It also provides information about how
.

There are details about why
.