a cell contains a 4% concentration of salt. the cells enviornment is isotonic. which is a possible salt concentration outside the cell?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Which structure in the cardiovascular system connect arteries to veins?

3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.