Can you take a better pic cant see the questions
First convert the kg to g ----- 0.03kg = 30g
Then divide the mass by the volume ----- 30g ÷ 25mL = 1.2
The density is 1.2g/mL<span />
If the graph has no trend which means almost constant, it indicates that the dependent variables will not change when the independent variables change.
One of the diseases is smallpox and the second is rinderpest