Glucagon is <span>protein hormone that is produced by the pancreas to promote the increase in the sugar content of the blood by breaking down glycogen in the liver.</span>
What gene are you talking about, mate? Is there supposed to be a picture?
1 and three ........................
1)How long did it take for the third of population to double?How long did it take for the population to double a third time? 2) 51 years
___________ A third time? It took 75 years for the population to double a second time and it took 51 years to double a third time. It will reach 8 billion at about 2024. 4.
It is Gravity.
Hope this helps.