Costa Rica is surrounded by the Pacific Ocean and the Caribbean Sea. It also borders the Gulf of Nicoya.
Answer:
light reflection
Explanation:
often seen by sunlight to windows
Finish. The work is done then the work is finish.
Answer:
There were 1.2 billion persons in the year 1850
Explanation:
Answer: a hypothesis.
A hypothesis means a theory or a guessed explanation made, based on limited evidence as a starting point for further investigation.