3. Si un monosacárido tiene cuatro átomos de carbono, ¿cuántos átomos de hidrógeno tiene?

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

b exhibiting favoritism toward the kikuyu people.

sex cells are usually half's then they find another half and make a fertilize egg