As new technology is developed, theories are studied in new ways. Which best describes what happens to the theory?
It becomes a hypothesis
It becomes a law.
It becomes a fac
It changes over time

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.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Number and variety of living organisms includes genetic, species, and ecological types