Post the terms and descriptions and we might be able to help...
Asia. I looked in my World History textbook.
Answer: Tractors, mowers, planters, sprayers, plows. (just pick 4 of those)
Answer:
naturalistic observation.
Explanation:
Naturalistic observation is a research method that is commonly used by psychologists and social scientists. It is a research that involves studying the subject in their natural environment, as it would occur in everyday life. The researches strive not to make changes to the environment because those changes would influence the outcomes of the study. The point of this method is to observe things as they naturally are.
The correct answer is letter B. Forms of Currency. In US, across states, the form of currency won't change because the states are inside one country. Each country has only one form of currency to make an easier buying and trading. The currency is US Dollars.