Answer: rocks weathered due to the effect of water.
Explanation: Placer deposits forms when rocks weathered due to the effect of water. The heavy minerals from the rocks get settled down in water. Minerals that form placer deposits have high specific gravity, they are resistant to chemical weathering process and are durable.
Roosevelt’s political experiences before presidency include:
Governor of New York (1929-1932)
Assistant Secretary of the Navy (1913-1920)
New York State Senator (1911-1913)
Rogues gallery was a collection of criminal's mugshots and psychological profiles of all the criminals that were could. This was the Higgins of what would now be called a criminal database, which helped local law enforcers spot criminals since it was so easy for they to move towns and change their names.
Pittsburgh steelers won super bowl 40
By reusing resources and buying bonds