Elements 2 & 3 are major building blocks in glucose, fructose, and sucrose. what are these elements?

Which of the following conclusions can be drawn

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

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry