I would say Carbon, Hydrogen and Oxygen.
Answer:
Migration boosts the working-age population. Migrants arrive with skills and contribute to human capital development of receiving countries. Migrants also contribute to technological progress. Understanding these impacts is important if our societies are to usefully debate the role of migration
Answer:
It is one of many small estuaries along the east coast of the United States.
Explanation:
Which of the following is NOT true regarding the Chesapeake Bay?
A. It is one of many small estuaries along the east coast of the United States.
B. A large amount of sediment travels down the watershed into the bay.
C. It receives anthropogenic chemicals that adversely affect the local fish populations
.D. It receives nutrients from sewage treatment facilities.E. It experiences algal blooms from the fertilizers used on the land in its watershed.
Answer:
Scientists agree that global warming is caused mainly by human activity. Specifically, the evidence shows that certain heat-trapping gases, such as carbon dioxide, are warming the world—and that we release those gases when we burn fossil fuels like coal, oil, and gas..
Explanation:
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