One fourth means (one half) of (one half) .
So the 18 months must be two half-lifes.
The half-life of this particular isotope is 9 months.
They stay in deeper warmer water and move allot and eat a lot of bait food
Carbon Dioxide (CO2) and Water (H2O)
C. All of the above
The cell membrane helps maintain the osmotic potential by doing both A and B, it does not make ATP however.
It seems that you have missed the given options for this question, but anyway here is the correct answer. The name of the process in which genes are identified by transforming mutant cells and screening for restoration of wild-type function is called CLONING BY COMPLEMENTATION. Hope this answer helps. Thanks for posting.
