Can someone help me with this

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.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.