Question: Oxygen is essential for cellular respiration for all aerobic organisms, and air is used as a source of oxygen. Given these facts, what is used for cellular respiration for aerobic organisms among the following options: - air - O2 - O3 - RNA - CO 2 - fat - lung - tube
Answer: air

Question: Decomposition increases the amount of nutrients in the soil, and bacteria and fungi are involved in the decomposition. Given these facts, what can increase the amount of nutrients in the soil among the following options: - roots - wind - worms - Fungi - Enzymes - corn - trees - mussels
Answer: Fungi

Question: Tectonic plates being pushed together causes earthquakes, and tectonic plates can contain both continental and oceanic crust F 25. Given these facts, what can be pushed together to form an earthquake among the following options: - fibrils - volcanos - crust - energy - trees - waves - boulders on the earth - rocks
Answer:
crust