The warm air will rise because cold air is heavier than warm air.
Hydrochloric acid is a strong acid (fully dissociates when dissolved in water due to the polar covalent bond)
It is a very stable molecule
It is highly reactive with metals and with oxidising agents such as organic materials, alkalis, water etc.
Can be extremely corrosive if solution is concentrated.
The asnwer to this D. Cells are the basic unit of structure and function in organism.
Answer: Cells typically receive signals in chemical form via various signaling molecules.
