Water and ammonia both have low vapor pressures compared to other substances like carbon dioxide or hydrogen gas because of a. london forces b. hydrogen bonding c. ion-dipole forces d. lattice structures

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall