Density is mass over volume. If you put it into a formula it would look like this:

Based on the problem given, you can see that the mass of the aluminum block is 82.0 g and the volume is 12.8 cm3. Just put that into your equation and solve for it:
The answer is then letter C.
Answer:
Food source
Explanation:
Salmon are there food source
The answer for the first one is the second option.
The answer for the second one is the last option.
Hope this helped and have a nice day : )
The answer:
La planta tiene las hojas secas.