Answer: Observational Study
Explanation: Observational study involves observing and measuring specific characteristics without attempting to modify the subjects being studied.
Answer:
B
Explanation:
The Environemntal Protection Agency
The maps they drew were based on explorer observations and mathematical calculations. The ancient Greek maps are important to the history of cartography because they often showed Greece as being at the center of the world and surrounded by an ocean.
The Web means the World Wide Web (WWW) or in modern terms the Internet.
