QUESTION 3 The troposphere:l?
O a. is thickest at the tropics.
b. often disappears near the poles in winter.
O c. is thinnest at the tropics.
O d. maintains a steady temperature as one goes up into it off of the ground.

Why do you sandy beaches form at many sea shores

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater