Answer: An estimated 12,000 workers had died during the construction of the Panama Railway and over 22,000 during the French effort to build a canal. Many of these deaths were due to disease, particularly yellow fever and malaria.
Explanation:
Answer:
The Battle of Thermopylae
Explanation:
I looked it up
The split left the Democratic Party with enough support to win the election.
By the end of the super glaciations <u>phosphate </u>levels in earth's oceans reached the highest in earth's history, providing nutrients for marine life.
Glaciation, as used in geology, is the process through which glaciers cover the ground. These times are known as glaciations. An ice age's glacial period, or glaciation, is a lengthy (thousands of years) stretch of time characterised by cooler temperatures and glacier advances.
During the end of the period, Antarctica was covered in a vast ice sheet that covered the whole continent and stretched into the ocean onto the middle and outer continental shelves as it is now,.
Living organisms contains large amounts of the mineral phosphate. When the glacier melted oceans and other water body were formed supporting marine life. It also enriched the water bodies with high nutrients like phosphate.
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