Atmosphere

Layer of atmosphere In Which Ozone Layer Lies Is

• exosphere

• mesosphere

• troposphere

• stratosphere

"All the water on Earth: oceans, lakes, seas, rivers..."

• Atmosphere

• Hydrosphere

• Lithosphere

• Biosphere

Which is the correct order of the inner planets?

• Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars
• Mercury, Earth, Mars, Venus
• Jupiter, Mars, Uranus, Neptune

Which gas is the Sun mostly made of?

• Helium

• Argon

• Hydrogen

• Butane

The first people to walk on the moon. Landed in 1969

• spacecraft 
• ISS 
• Astronaut 
• Neil Armstrong & Buzz Aldrin

What failed in kalpana Chawla's ship?

• Engine broke down

• Foam insulation broke

• Screw was loose in engine

• Fuel overflowed causing blast.