Answer:
, 
Explanation:
The total water level lost due to evaporation is directly proportional to the number of day. That is:
Where 
is the proportionality constant, which is equal to 
. The expression is:
And the total change in water level after 30 days is:
Poland is a country in the continent of Europe.
The most appropriate answer, i believe, would be C. There's tremendous biodiversity in the plant life of the tropical rain-forest.<span />
After World War II, the United States and Western Europe saw the importance of working together. They took important steps to create lasting cooperation. One of these steps was the Marshall Plan. Under this plan, the United States agreed to provide financial aid to European countries to help them rebuild their cities and infrastructures after World War II. European countries also cooperated together economically, by forming organizations like the European Economic Community. Another step taken for cooperation was the creation of the North Atlantic Trade Organization (NATO). NATO was a military agreement in which all members agreed to defend each other if one of the nations was attacked. The United Nations (UN) was the third step to creating lasting peace. The UN is an organization that tries to prevent conflicts that may lead to war between nations.
Answer:
Explanation:
Lack of water, and food, being in the vast desert means hard food and little rain this leads to many organisms struggling to live, also being forced to drink dirtier water means you could catch a disease more easily
