What is the purpose of the prefixes in the metric system ?

What is turgor pressure, what causes it, and what does it do for a plant?

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms