Which topic are you most likely to find in a physics textbook?

a. photosynthesis
b. electricity and magnetism
c. metals and nonmetals
d. division of a living cell
e. ionic, covalent, and metallic bonding

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?