I think is between d or a
Answer: Experimenter bias.
Explanation: Experimenter bias is the condition which describes a person as a part of experiment who is influencing the outcome of the experiment so that the desired or preferred results can be obtained.Experimenter bias is also known as research biasing.
The example mentioned in the question where Brian is conducting the study with sharing his views with the participants that he expects girls should perform better than boys in the experiment is example of experimenter bias.
The actual experiment should have been conducted without any thought sharing or acknowledgement which would have produced unbiased outcomes.But according to Brain's study, the expectations are conveyed ,therefore it will influence the result of the experiment as it becomes biased.
Answer:settlement
Explanation: This settlement, at what is now La Plaza de las Islas, was the first permanent civil settlement in Texas. The Islanders named their town the "Villa de San Fernando" in honor of the Spanish prince, Don Fernando, who succeeded to the throne in 1746 as King Ferdinand VI.
<u>Marginal Costs & Marginal benefits in a choice you made.</u>
Assume that I want to buy an ornament for hands. I spend $500 for purchasing an ornament. When I was supposed to see another I wish to buy that. But spending again for the ornaments also not a good idea. I am also not willing in spending $500 for the ornament. So, I decided to go for an ornament that costed only $250. No, my marginal benefit get decreased from $500 to $250. When I decided to go fro the second one or more than one of same good my marginal benefits decrease.
Marginal cost is something that changes in a smaller range in the production of one additional unit. For example I decide to manufacture 500 pens. i need raw materials for the production and a building and machine for production. The change in the cost or expenses that happens when I decide to produce 600 pens is the marginal cost.
B. Egyptian, Chinese, and Greek