B because government regulations would increase the cost and make the supply go down as making in mass would be too costly for the company.
In the United States, fire departments respond to an average of 2 million fire calls annually.
<h3>What is fire department?</h3>
An organization that performs fire prevention, fire suppression, rescue, and hazardous materials mitigation is known as a fire department or fire brigade, often referred to as a fire authority, fire district, fire and rescue, or fire service in some locales.
The Department's personnel have received all-hazards emergency response training. Fire suppression, emergency medical response, hazardous materials response, fire prevention, and education are the Department's primary duties.
A fire department may have one or more fire stations within its borders. These stations may be manned by professional, volunteer, conscript, or on-call firemen. Volunteer and professional firefighters are mixed together in combination fire departments.
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Answer:
competitive exclusion.
Explanation:
When species from the same biological community explore very similar ecological niches, competition among them for less available resources in the environment is instituted. It is common, for example, that plant species whose roots use the same portion of the soil compete for water, minerals and other resources.
Knowing this, Russian biologist Georgyi Frantsevich Gause formulated the Gause principle, or competitive exclusion principle, the theory that ecological niches are unique to each species, and for two or more of them to coexist in the same habitat, it is necessary that their niches have different and sufficient characteristics.
Gause proposed this theory based on several observations that led him to conclude that if two or more species explore exactly the same ecological niche, the competition established between them is so sharp that coexistence becomes impossible. This can cause a loss in species diversity, and that is exactly what Robert Paine observed in his studies.
