Answer:
The distance around Earth's equator is most easily measured in _____. A. parsecs B. kilometers C. light-years D. astronomical units
This would be Newton's first law of motion as it is a factual statement based on observations.
id say the first one and the third one, sorry if it’s wrong
Answer:
Explanation:
Scientists at the Mauna Loa observatory in Hawaii say that CO2 levels in the atmosphere now stand at 387 parts per million (ppm), up almost 40% since the industrial revolution and the highest for at least the last 650,000 years.
