To test, increase the amount of substrate. If the amount of reaction changes then the enzyme has not depleted. If the amount of reaction does not change then the enzyme has completely depleted.
Thus, Cactus survive with the help of its "green stems" and "transpiration".
There are currently
22 active volcanoes in Luzon
428 in Visayas
and 20 in mindanao
The answer is C. The distribution of traits in a population