What volume (L) of O2 gas is necessary to produce 12.3L of CO2?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

For the following, determine the type of reaction and then give products.

What metric units would you use to measure the thickness of a key