You breathe because levels of blood gasses trigger your diaphragm to contract. What two characteristics of life are demonstrated here?

b exhibiting favoritism toward the kikuyu people.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

friedrich meischer discovered it in white blood cell