1) What is the chemical symbol for water? a) H20 b) O2 c) CO2 d) NaCl 2) Which planet is known as the “Red Planet”? a) Venus b) Mars c) jupiter d) Saturn 3) What is the powerhouse of cell? a) Nucleus b) Ribosome c) Mitochondria d) Endoplasmic Reticulum 4) What is the process by which plant make their own food? a) Respiration b) Photosynthesis c) Fermentation d) Digestion 5) What is a speed of light in a vacuum? a) Approximately 300,000 kilometers per second b) Approximately 150,000 kilometers per second c) Approximately 1,000 kilometers per second d) Approximately 500,000 kilometers per second

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