Name characteristics of emo humans and goths

Which scientist listed below is not one of those to advance the study of mathematics? a. euclid b. herodotus c. pythagoras d. archimedes

What are these signs and what do they mean ?

Why did the artist of the above image use such bold lines and colors on the trees? a. to create a more realistic interpretation b. to suggest spring and to heighten emotional tensions c. to mimic the motion of the figures d. all of the above