The answer to your question is D. Materials. Have a great day
Del Verrocchio was Leonardo Da Vinci's teacher or master artist. He retired because he thinks he could not paint as well as Da Vinci. Though Del Verrocchio, Da Vinci would have been exposed to both theoretical training and vast variety of technical skills.
Answer:
Young, and 148 Mormons, crossed into the Great Salt Lake Valley on July 24, 1847.
Explanation:
The opportunity cost is the value of the next best alternative foregone. Every decision necessarily means giving up other options, which all have a value. The opportunity cost is the value one could have derived from using the same resources another way, though this is not always easily quantifiable.
March on Washington for Jobs and Freedom. 28th Aug 1963