Earth's Systems and Their Interactions

Which part of the Geosphere is smaller than the moon and made of solid iron?

• The outer core

• The crust

• The inner core

• The mantle

What is the role of the ozone layer in the Atmosphere?

• It produces oxygen for living beings.

• It stores water vapor.

• It blocks harmful radiation from the sun.

• It helps in the formation of clouds.

Which of the following is NOT part of the Hydrosphere?

• Oceans

• Rivers

• Water vapor

• Mountains

What does the Biosphere include?

• All living organisms, including humans

• Only birds and mammals

• Only plants and animals

• Only microbes and insects

How do volcanic eruptions demonstrate the interaction between Earth's systems?

• They block sunlight, affecting the Geosphere.

• They produce oxygen for the Atmosphere.

• They create new landforms in the Biosphere.

• They release particles into the Atmosphere, which help form water droplets in the Hydrosphere.