How many mL of 0.10 M NAOH should the student add to 20 mL 0.10 M HFO if she wished to prepare a buffer with a pH of 3.55, the same as in Problem 4

In an energy pyramid, which level has the most available energy?

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.

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble