Mathematics, 20.09.2019 17:20, girly37
Before the industrial revolution in 1800 the concentration of carbon in earth’s atmo- sphere was 280 ppm. the concentration in 2015 was 399 ppm. what is the percent increase in the amount of carbon in the atmosphere?
Answers: 1
Mathematics, 21.06.2019 16:30, victoria8281
Answer the following for 896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631
Answers: 1
Before the industrial revolution in 1800 the concentration of carbon in earth’s atmo- sphere was 280...
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