1.

Read the following satatements carefully:1. Scientists in the US have detected the highest levels of planet-warming carbon monoxide in Earth's atmosphere since records began.2. The Mauna Loa Observatory in Hawaii, which has tracked atmospheric CO2 levels since the late 1950s, detected 415.26 parts per million (ppm).3. It was also the first time on record that the observatory measured a daily baseline above 415 ppm.Which of the above statements is/are correct?

A. Only 1
B. Only 1 and 2
C. Only 1 and 3
D. Only 2 and 3
E. All of the above
Answer» E. All of the above


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