I think 1. is b
sorry if im wrong
the Shigor idol is the oldest known Wood Structure, and the answer is that it is the most ancient wooden structure, located in Russia.
The medium is pencil/pen and the different values were achieved by shading in darker areas dark and light areas lighter.this makes it challenging because with pencil/pen there can always over go with it
C. Tchaikovsky was no a member of “The Russian Five”.
