17) C (Might be wrong)
21) D
22) The British, the French and the American Indians are major ethnic groups in Canada today. Due to the population growth, it may cause some health concerns, and immigration is responsible for the population growth, adding 1.7 million into the population, according to a study in 2011.
23) The United States has a constitutional federal republic and Canada has federal parliamentary democracy (Parliament of Canada) under a constitutional monarchy; a Commonwealth realm.
24) Natural resources because people would look for things they needed; like rivers for water, trees for wood, prairie for farming, etc.
25) Oil. Canada has the third largest known oil reserves in the world, behind Saudi Arabia and Venezuela. Canada takes on peacemaking roles. Maybe because they are bringing in quite a bit of money and don't have to spend time fighting anybody, so they can afford to spend time trying to solve world problems.
Answer:
This suggests that the entire state of Florida was once<u> completely submerged underwater</u> in the past ancient years.
Explanation:
This type of rock is a carbonate, biological sedimentary rock. Fossiled Limestone comes from calcium carbonate (CaCO₃) which is mainly originating from remains of marine creatures. This is a strong indicator that Florida was underwater in the recent past.