The answer would be: <span>d. biology, culture, and behavior
Biology refers to everything that derives from our genetics, which give differenc characteristics between each person.
Culture refers to the set of belief that is held dearly by people within a certain social group, and behaviors refers to how we deal with our emotions.</span>
Answer: Two or more producers are trying to sell the same good or service to the same consumers
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Explanation:
Competition is something that has always been present in society, but it seems that today is more marked than ever. We see how thousands of companies try to sell their product or service as the best (even both being the same). We see how various advertising campaigns are created to create needs that we didn't even know we had.
The world is like that, the competition will never cease to exist. We have all witnessed several companies offering us the same product or service, but as they say, with different characteristics. We are aware that both are equal and that at the moment we do not need it, but they do not understand that since they are immersed in what is the competition.
The competition is not bad, it is a fundamental part of the marketing process that every company that offers a product or service. An example would be to see how a beverage company puts a drink with a new flavor on sale and soon see how the competition brings out something similar. They can use the same ingredients, but, according to them, it has something that others don't have.
Everyone wants to sell what they have to offer. Many products and services are made according to the needs of each and that is why they are always sold because we are human beings and how different we are our needs are different.
The competition can be bad when one of the producers plays against the other in a way that can cause him harm. This has been seen many times and is not right. First of all, we must promote good competition and that both understand that there is room for everyone.
There are more than 7 billion inhabitants in the world, each one chooses something different and as each company has things to offer, each one will be able to sell what it offers (even being the same as other producers offer).
<span>According to the peripheral model, an urban area is defined as a center (or an inner city) that is surrounded by large suburban areas (either residential or business), and that these areas are tied together by a beltway or ring road. </span>
Fire and natural disasters, also electronics
The answer is :Radiocarbon dating
In radiocarbon dating, we use a radioactive isotope of carbon in organic material as our main factor of measurement.
Before this method started to become popular, the method that is used to determine the age of artifact was by measuring how deep it's burried, which is far more unreliable since there would be many factors that can caused the depth of the burial beside the age.