The correct answer is option B. The most dense phase of matter is the solid phase and the least dense are gases. However, there is an exception. Water is the exception. Solid water or ice is less dense than the liquid phase therefore it floats on liquid water.
Answer: A
Explanation: Protons and neutrons form the nucleus of the atom, with electrons orbiting it.
Maybe her old shoes had soft worn out bottoms and she slips in them. So her new shoes had more grip than her old ones so they kept her from falling.
Answer:
a community or group of living organisms that live in and interact with each other in a specific environment.
Explanation:
The element Sodium (Na) has 11 protons and 1 valence electron.
