A teacher is peeling an orange at the front of a classroom. Which of these actions would further increase the concentration of orange molecules in the
air of the room?
A. Peeling another orange in the room
B. Blowing outside air into the room
C. Taking the orange into the hallway
D. Placing the orange in a sealed container

Peeling another orange, this would release more orange molecules in the air than the other answer choices

Cell: the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.

Atom: the basic unit of a chemical element.