mesozoic era - age of the dinosaurs
end of the paleozoic era - most of earth a desert
end of the mesozoic era - a layer of iridium deposited all over earth
Answer:
it is c
Explanation:
b,c,a is the decreasing for
10,7,1
Answer:
It s B because 350 mg= 35.0cg=3.50dg=0.350
For the first one, K is 32.85% and Br is 67.14%