. How does the sun’s radiative zone compare with the convective zone? A. The convective zone is hotter and closer to the sun’s core.
B. The radiative zone is cooler and closer to the sun’s core.
C. The convective zone is cooler and closer to the sun’s core.
D. The radiative zone is hotter and closer to the sun’s core.

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.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

How does an angiosperm prevent self pollination