Answer:
Explanation:
The global average atmospheric carbon dioxide in 2019 was 409.8 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. Carbon dioxide levels today are higher than at any point in at least the past 800,000 years.
The answer to finish this sentence would be ''Scientific law'' because statements that describe what scientists usually expect to occur each time in situations is this since scientists test things in order to gather data and certify it to make it a scientific law.
