Answer: Density
Explanation: Density can be measured using mass and volume.
Explanation:
result of an experiment or trial
6. A because carbs provide 50% energy and lipids 20% (rest from protein)
7. A e.g. Muscle cell for movement and blood cell for oxygen transport
8. C
The appropriate response is compost piles. It is a heap of substituting layers of plant garbage and soil regularly with an admixture of creature excrement or compound manure masterminded so a to energize the quick change of the constituents into fertilizer.