Hello!
So technically the only necessary materials for realistic drawings is paper (preferably sketch paper), charcoal pencils, and erasers.
But if you want to be a little bit more specific, you should get some Q-Tips because it makes the charcoal blend better.
If you want some more detail into the types of paper, erasers, and pencils just use this link! Its great for quality art feedback.
https://thevirtualinstructor.com/blog/10-essential-drawing-materials-and-tools-for-beginners
Let me know if you need anymore help!
Ary~~
Answer:
25. The reason the same musical note sounds different when played on various instruments is because the harmonic overtones and envelope of each instrument is unique. When a frequency is played, other frequencies, called harmonics, are created. Each instrument has a unique harmonic character.
26.
27.
Margaret "Meg" Murry O'Keefe is the main character in Madeleine L'Engle's Time Quintet of science fantasy novels, the daughter of two scientists, the sister of twins Sandy and Dennys Murry and telepath Charles Wallace Murry, and the mother of Polly O'Keefe and others in the O'Keefe series of books.
There are four primary groups. Hope this helps!
