How was Oxygen formed/how was earth formed

Oxygen is a living element that humans and animals require to live. 

• True 
• False

Plants use _____________ to make their own food during photosynthesis.

• water
• energy from the Sun
• CO2
• water, energy from Sun, CO2

What is the process of plants taking in carbon dioxide and releasing oxygen called?

• Respiration

• Produce

• Photosynthesis

• Breathing

Which statement is an example of how plants and animals depend on each other?

• animals provide food for plants
• animals provide water for plants
• animals provide oxygen for plants
• animals provide carbon dioxide for plants

How many years ago did the cosmic egg exploded

• 10.78b years ago

• 100m years ago

• 13.8b years ago

• 102 years ago

What was left over after the cosmic egg explosion?

• Stars

• Asteroids

• Planets

• all of above

What happened to the asteroids after the cosmic egg exploded

• it turned into burning planets

• they turned into stars

• it turned into Dinosaurs

• nothing

What happened to the burning planets after

• It turned into stars

• It turned into the Big Bang

• It started to cool down and it turned into normal planets

• All of above

What happened to the black hole

• It started sucking up gas and asteroids

• It started sucking up the moon

• It started sucking up planets

• all of above

What happens after the black hole

• Nothing happened

• It turned into a fox

• It turned into our planet

• It turned into a tree