Explanation:
It is a place where shares of pubic listed companies are traded. ... A stock exchange facilitates stock brokers to trade company stocks and other securities. A stock may be bought or sold only if it is listed on an exchange.
D! Because a gas takes its form and volume of its container
The answer would most likely be sodium because carbon is a plants food, phosphorus is a nutrient in soil, hydrogen is air, but sodium does not have a place in a plant:)