The answer to the first one is not what the other answer says. The answer is learning effect.
Answer: Gender reassignment
If the case of David Reimer is followed, surgery could be performed to reassign the baby boy's gender as a girl and raised that way.
This solution is not foolproof because psychological problems could develop as the child grows into adulthood.
Answer:
c. the value of a product that you give up in a tradeoff with another product.
Explanation:
The principle or concept of opportunity cost comes in when faced with alternative choices in a situation whereby only one option has to be selected or chosen. For instance, one is faced with a decision to make to select either of option A or option B. By choosing option A, option B is the opportunity cost and vice versa. The dividends or benefits of the option which isn't chosen is called the opportunity cost. In other words, the benefits of the foregone alternative is called the opportunity cost.
Answer: Nitrogen oxides are present in combustion and industrial processes.
Explanation: We are talking about the combustion of coal, oil and gasoline by the emission of vehicles such as ships, airplanes trucks and automobiles, which is specially significant in big cities where there is more traffic . For the industry part there are the electric power plants and large industrial operation plants.
