Earth and Life Science

What makes planet earth different from the other planets in the solar system?

• It supports life.

• The atmosphere holds gases.

• It is mostly covered in water.

• All of the above

What makes planet Earth habitable?

• It has comfortable distance from the sun.

• The atmosphere serves as shields from the sun.

• Only A

• Both A and B

Why is Earth called the "living planet?"

• It has life mechanism.

• It has water and atmosphere.

• It has carbon dioxide in the atmosphere.

• It has atmosphere that supports oxygen.

Which must be provided for an organism to survive in planet Earth?

• Right amount of sunlight and atmosphere

• Right amount of water and carbon

• Only A

• Both A and B

Planet Earth is considered as "blue planet." Which of the following best describes the surface of planet Earth?

• Earth has atmosphere.

• Earth has lots of volcano.

• Earth is covered with red dust.

• Earth has mostly water on the surface.

What is the reason why Earth is different from other planets in the solar system?

• Earth is mostly covered in water.

• Earth has comfortable distance from the sun.

• Earth has carbon dioxide on its atmosphere.

• It has approximately same size as that of Venus.

Which of the following best describes planet Earth?

• It has gases.

• It has rocky core.

• It supports life.

• It supports other planet.

It was found out that Earth's surface is covered with water. Approximately, how many percent of water comprises the Earth?

• 45% water

• 60% water

• 50% water

• 70% water

Earth can support the survival of organisms. What is/are the factor/s that make/s Earth habitable?

• Atmosphere

• Temperature

• Energy

• Nutrient

In order for an organism to survive, nutrients are needed. What are the nutrients that planet Earth can offer for an organism to exist?

• Earth has an atmosphere and ozone layer.

• Earth has both water cycle and nitrogen cycle.

• Earth has natural activities to circulate nutrients.

• All of the above