What is the smallest planet in our solar system?easy question

What are the 4 rocky planets in our solar system? mark all the rocky planets

• Earth

• Mercury

• Mars

• Venus

• Saturn

Gamma-Ray telescopes have to be in orbit to work,because Earth's atmosphere absorbs the ____________________________

Hard question

• High-energy rays

• Ultraviolet rays

Our earth is about 4.55 million years old.

• True

• False

What is the largest volcano in our solar system

What does Earth's crust contain

• Tectonic plates

• Landmasses

• Oceans

• All of these

What does Earth's crust contain

• Tectonic plates

• Landmasses

• Oceans

• All of these

Average distance from the sun to earth

• 147.9

• 149.7

• 149.9

• 149.2

What does Earth's crust contain

• Tectonic plates

• Landmasses

• Oceans

• All of these

What does Earth's crust contain

• Tectonic plates

• Landmasses

• Oceans

• All of these