Answer:
The help determine age, gender, race, and height
The answer you are looking for is “Drought”.
It's important so that they know exactly where the disease started. Knowing who patient zero is helps them to identify who that person interacted with. From there, they can determine where the disease spread to. This will aid them in stopping the disease before it spreads any further.
D phytoplankton i believe
To provide energy from the cell through the mitochondria
