What is the relative % abundance of isotope Q-2 for element Q if the atoms for each isotope are as follows: Q-1 5; Q-2 10; Q-3 5

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.

Which of the following best describes the formation of plasma?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?