How is the number of moles of an element determined from a known mass? A. The known mass is divided by Avogadro's number to get moles.
B. The mass of 1 mole of the element is used as a conversion factor to convert grams to moles.
C. The atomic number is used as a conversion factor to convert grams to moles.
D. The known massis multiplied by Avogadro's number to get moles.

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.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

it would be a gas formation