I think the answer is C. Sorry if it is wrong
Plant and animal kingdoms.
These are in both the systems.
Compounding is one of the challenges faced by developing countries in regards to health care. The WHO plays a big part in these challenges, because there needs to be a person or group with a stable financial situation to donate or offer help. If someone who does not have any power or money help, there is a less likely chance in making a difference in regards to the problem.
Many colonists who were initially loyalist became patriots rebuilding a colonist were in present and execute