When Living beings are breathing,they get oxygen and put out carbon dioxide!
Its B since the lower leaves need sunlight to make food (photosynthesis)
The Preamble reads: “We the people of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty for ourselves and our posterity, do ordain and establish this Constitution for
Fossils are typically recovered within Sedimentary Rock exposures. This is because Sedimentary rock is the rock found closest to that of Earth, and is practically exposed 24/7 to all of Earth's natural disasters and what-not.