The Earth reaches its perihelion (the point in its orbit when it is closest to the sun) during the month of January (around January 3rd currently), which falls durin â¦ g the season of winter in the northern hemisphere.
The most important combination of elements for all living organisms is water which is made up of hydrogen and oxygen. Another very important compound for living organisms is glucose which constitutes Carbon, oxygen and hydrogen. Nitrogen is an important part of proteins. Water, proteins and glucose are the most important things for living things and all these compounds are made up of elements which reflects their importance.
The chemical properties of the ocean are important to understand because the marine environment supports the greatest abundance of life on earth. This life is largely made up of the same chemicals that comprise the oceanâwater and salts. Water. A water molecule is made up of two hydrogen atoms joined to one oxygen atom by weak hydrogen bonds, H 2 O.