It is clear that from 2006 to 2012, the average insolation reflected by the Greenland ice sheets is decreasing. This indicates that each year, the amount of solar radiation that the ice sheets are able to reflect is decreasing. The level of insolation reflected is dependent on the area of ice sheets capable of reflecting the solar energy. Since the insolation reflected has decreased, this may mean that the area of the ice sheets has decreased as well.
Answer:
The power of water
Water connects every aspect of life. Access to safe water and sanitation can quickly turn problems into potential – empowering people with time for school and work, and contributing to improved health for women, children, and families around the world.
Today, 785 million people – 1 in 9 – lack access to safe water and 2 billion people – 1 in 3 – lack access to a toilet. These are the people we empower.
True, it is one of the smallest continents while have a great diversity of religion and ethnicity.
Chad = 1960
Congo = 1879
Kenya 1963
Sudan 1956
Answer is obviously C.
Because it is the difference of height and depth we should add
1684+216=1900