Does the model below represent a mixture or a substance ?

Andreus vesalius is known for being the first scientist to provide detailed and accurate information about human anatomy. his knowledge of human anatomy came from dissecting human bodies. which statement best shows why andreus vesalius’s discovery was important during the scientific revolution?

Which of the four planes was hijacked first? a. flight 175 b. flight 77 c. flight 11 d. flight 93

In some african american communities, unemployment was as high as percent.