I am generally confused as to of what you are asking. Can you post something so i can see what you need? I just am confused.
The correct option is BY CONDUCTING EXPERIMENTS THAT EXPOSE THEIR PROPERTIES.
Scientific investigations are always ongoing in all parts of the world, scientists strive to build on existing knowledge by carrying out more experiments that are targeted at obtaining more information above that which is already known.
I believe the thyroid controls most, if not all of those things. (Again, I'm not entirely sure.)
