Ozone is located in the upper atmosphere and shields the earth from harmful ultraviolet light rays from the sun, which cause skin cancers. what is the chemical formula of ozone? a) o2 b) o3 eliminate c) no3 d) no2

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals