GKwizard Which of the following is the chemical symbol for water? A. H2O B. CO2 C. O2 D. N2 Answer: Option A
2 What is the powerhouse of the cell? A. Nucleus B. Ribosome C. Mitochondria D. Cytoplasm View Answer
4 What is the process by which plants make their own food? A. Respiration B. Transpiration C. Photosynthesis D. Digestion View Answer