There are different causes to error in measurement, most common are instrument precision and misreading the measurements. Some cases are from the experimenter judging to what they want rather than the reading itself.(no offense)
But... measurements are never accurate anyway, they're all estimations.
Answer:
What makes us human the most is our self-awareness and the ability of philosophical thought.
We understand we exist on Earth and wonder why the sky is blue, which is a trait no other species possesses.
Explanation:
Orangutans, chimpanzees, gorillas, bottlenose dolphins, elephants, orcas and bonobos all have self-awareness. But still don't wonder why the sky is blue.
Animals were seen capable of doing all the other factors.
Mass transit can help reduce air pollution in urban cities because there are fewer cars on the roads, creating less pollution.
