Katie claims that steel is a homogeneous mixture, even though it looks like a pure substance. Which statement, if true, would support her claim?
A. Steel contains only iron atoms.
B. Steel is made from iron atoms with clumps of carbon atoms
mixed in.
C. Steel contains carbon and iron atoms, evenly mixed.
D. Steel is made of different compounds distributed unevenly.

D. Steel is made of different compounds distributed unevenly.

Explanation:

The statement that will support her claim that steel is a homogenous mixture is that steel is made up of different compounds distributed unevenly.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

i believe the answer would be:

d. violin, clarinet, french horn, and tuba