Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the various organs of the body. If you were to extract all the iron, from all the blood in an adult human, you would have 2.90g of iron. How many total iron atoms are present in the blood of adult human?

d. temperate deciduous forest

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

the answer is barium and copper bromide