(2) The drawing (for item 2) shows a mountain stream flowing over a waterfall. An aerial photograph taken 50 years ago shows that the waterfall today, compared to its previous position, has “retreated” upstream about 250 feet. What best accounts for the retreating of the waterfall? b) glacier action during winter (2) motion in the Earth's crust tidal activity (41) meandering stream action (5) erosion of the stream bed

The combining form leuk/o means red true or false

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus