The earth is not perfectly round or perfectly smooth because there are mountains and valleys
The answer is: d. Europe, Africa, and Asia.
The finest sedimentary particles would be found at the mouth of the river. These particles have been eroded by debris and water. They are easily carried out to be deposited near the end of the river.
Infant mortality - Rate is the numberof infant deaths for every 1,000 live births.
Maternal mortality - Death of a woman while pregnant or within 42 days of termination of pregnancy, irrespective of the duration and site of the pregnancy, from any cause related to or aggravated by the pregnancy or its management but not from accidental or incidental causes.