Brass knuckles and deer horn knives hope this helps a little bit! :D
Develop cost-efficient methods to use solar energy
Improve fuel efficiency in automobiles
Increase the use of wind power
Reduce the use of coal and oil
Hope this helped!!
Answer:
A duty is what you owe to your fellow human as a fact of nature, and an obligation is what has been imposed by contract or custom. Generally, one is “obliged,” or “obligated,” by agreement or because of having received a benefit. If you take candy from a store, you have an obligation to pay for it.
I am pretty sure it is A, His name was Ferdinand de Lesseps.
