B
(without the control you won't know what a normal result would be without the independent variable).
Answer:
A pNP concentration range of 0 to 100µM (or 0 to 0.1 mM) is used by making appropriate dilutions from the working stock (preferably in 1ml total volume).
The result would be an increased atmospheric concentration, which alters the distribution or abundance of species. Leached phosphorus can then lead to algal blooms and that clogs the aquatic ecosystem.
Well, baby's start teething around 3-12 months old, so they should have a few teeth by then.
The two methods used by breeders to increase the rate of mutation is radiation and chemicals.
