D is correct.
Hope this helps and please give brainliest!
Answer:In 1863, Congress designated the Idaho Territory with the erroneous understanding that Idaho was a Shoshone word meaning Gem of the Mountains. This has led the state to be nicknamed Gem of the Mountains, or most succinctly in more recent times, The Gem State.
Explanation:
My complaint is.
Littering on the beach. Too many people just throw their trash on the beach for someone else to clean up. Well no one will clean it up.It gets washed into the ocean where sea creatures can get to it. Then come along some innocent dolphins interested on whats lying in the ocean. They start playing with it and suddenly they get trapped in the trash. they could get badly hurt or even die. Just from people littering. So please any one whose reading this if you go to the beach any time soon. Don't litter and clean up other trash you see lying around.
Answer: By revealing his dedication to the academic study of disease
Explanation: