1. compare and contrast active transport and passive transport. include at least one similarity and one difference between the two processes. (30 points) 2. compare and contrast diffusion and osmosis. include at least one similarity and one difference between the two processes. (30 points)

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.

Draw the lewis dot structure for each of the following polyatomic ions

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99