In the chemical reaction below, all three chemicals are best classified as -- NaCl2O3 add heat NaCl + CIO2 three compounds O three elements O one element and two compounds one compound and two elements

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.