Answer:
A mousetrap.
Explanation:
An irreducibly complex system is one of which all parts are necessary for it to function, so when only one part does not work, the whole system does not work. Thus, it is necessary that all parts work in a complementary way, in order to achieve a positive result. An example is the mouse trap: remove an item from all parts and the trap stops working.
Samarium is using looking grass
People, vehicles and roadways are all part of the Highway Transportation System (HTS), a complex system designed to move people and things safely and efficiently from one place to another.
