Earth's Atmosphere and Hydrosphere Concepts

What is the hydrosphere?

• All the land on Earth

• All the water on Earth

• All the air on Earth

• All the living things on Earth

Which of these is part of the hydrosphere?

• Clouds

• Wind

• Oceans

• Air

What is the atmosphere?

• All the rocks and dirt on Earth

• All the plants and animals on Earth

• All the gases on Earth

• All the oceans and rivers on Earth

What is the lowest layer of the atmosphere where all weather happens?

• Mesosphere

• Stratosphere

• Exosphere

• Troposphere