Barack Obama was elected president in November of 2008. He was sworn in January 20, 2009.
Answer:
These molecules are referred to in biology as the molecules of life. ... Without any of these four molecules, a cell and organism would not be able to live. All of the ... Many organisms have what is known as a cell wall that surrounds their cell. ... There are two types of nucleic acids that are essential to all lif
Explanation:
Some blood cells responsible for the transportation of oxygen and other are there for rebuilding of tissues. Fights things the body doesn't recognize
Lymph plasma and red blood cells swell the area to repair and protect the wound
