B obviously not a or c so if it aint b its D
Answer:
A measurement is the action of measuring something, or some amount of stuff. So it is important to measure certain things right, distance, time, and accuracy are all great things to measure. Measurements can also allow us to make desicions based on the outcome of the measurement
Answer:
a community or group of living organisms that live in and interact with each other in a specific environment.
Explanation:
