The RDA for iodine in adults is 150 micrograms
To meet this, one must consume:
150 / 0.7645
= 196.2 micrograms of potassium iodide per day.
A two in both of the blanks will balence the equation. It will look like so:
2PbS(s) + 2O2(g) --> 2PbO(s) +2SO2(g)
The statement is : True
-Hope thi helps.
I really don't know what the answer is
Organisms that share many derived characteristics are probably more closely related