The conversion of lactic acid back to pyruvic acid requires: A. carbon dioxide
B. yeast
C. light
D. oxygen
HELP PLEASE

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

Which feature of a human community is similar to a niche in a biological community