Molecules only move across the blood - air barrier if there is a difference in concentration.
So I think that nothing would happen!
Cancer cells ignore signs
Answer:
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Correct answer: C). Histogram
A histogram is a form of graphical representation of data by using bars of different heights. Taller bar suggests that more data falls in this range and small bar show fewer data fall in that range.
It is used to show statistical information that use rectangles to show the frequency of data in a numerical interval of equal size. In the histogram, the independent variable is plotted on the horizontal axis and the dependent variable is plotted on the vertical axis.