Answer:
The atoms of different elements have different numbers of protons and electrons.
Answer:
storm runoff
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Answer:
I'm not sure but I think it's organic
The density of an object or quantity of matter is its mass divided by its volume.
Answer: In an open system the vapor pressure is equal to the outside air pressure.
Explanation:
An open system is a system that is capable of exchanging both matter and energy with its surroundings.
For example, a hot cup of coffee is an open system as the cup is not covered with a lid. Therefore, heat energy from the coffee goes into the surroundings.
Vapor pressure is defined as the ability of a substance to change into vapor state. pressure
Therefore, we can conclude that in an open system the vapor pressure is equal to the outside air pressure.
