Probably plate tectonics because volcanos are formed from divergent boundaries
Answer:
Marginal analysis is helpful to individuals and businesses in balancing the costs and benefits of additional actions, like whether to produce more, consume more, and similar other decisions, thus determining whether the benefits will exceed costs and increase utility.
Answer:
Every economic decision has <u>many</u> trade-offs, but only <u>one</u> opportunity cost.
Explanation:
Every economic decision as well as every decision involves trade-offs as a there are many other options or choices of investments as there are many other ways to make use of the companies resources. However for businesses, and economics in general the opportunity cost is the alternative forgone which is a comparison between two items, such as the item of most value whose production is stopped due to the economic decision to manufacture an alternative product. As such for opportunity cost, there is a direct comparison between two items
Therefore, every economic decision has many trade-offs, but only one opportunity cost.