Science quiz 8

What is in it

1. Question 1

   Which gas makes up approximately 78% of Earth's atmosphere?

   • A.Nitrogen
   • B.Oxygen
   • C.Argon
   • D.Carbon dioxide

2. Question 2

   What is the name of the process by which plants make food using sunlight?

   • A.Osmosis
   • B.Respiration
   • C.Photosynthesis
   • D.Fermentation

3. Question 3

   Which gas do plants absorb from the atmosphere?

   • A.Hydrogen
   • B.Carbon Dioxide
   • C.Oxygen
   • D.Nitrogen

And 7 more questions. Play the quiz to answer them all against the clock.