LE o dlhs)
2. Valproic acid has a pKa of 4.8. Determine the pH of a 0.10 % w/v solution of valproic acid
(mwt 144.21).
(6 marks)

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.

All forces cause motion? true or false

Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane