The most common of these are protons, neutrons, and electrons, which are usually bound together in atoms. A neutron is a particle that carries no electrical charge. Neutrons are contained in the nucleus (center) of an atom along with positively charged particles called protons
Answer:
D. rapidly rising in production cost
The answer is: People who share a common resource can organize, cooperate, and <span>enforce responsible use of the resource.
By doing this, those people do not have to hurt each other during the competition to obtain the resource, and they also could maintain the number of the resource so it won't enter a scarcity period that often happen if one or both party over exploit that certain resource</span>
It is <span>c. they're convenient.
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Mountains and bodies of water