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SVETLANKA909090 [29]
3 years ago
5

How much more CO2 is in the atmosphere today compared to 150 years ago?

Biology
2 answers:
olga2289 [7]3 years ago
6 0

Answer:

Humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago

Explanation:

ludmilkaskok [199]3 years ago
3 0

Answer:

Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago, and Earth is becoming a warmer place.

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Answer:

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4.By ensuring that %T or transmission is used as appropriate

5.By closing the door to the cuvette compartment before reading the result

6.By performing calibration checks after set up

7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring

8.By using the correct wavelength

PRECAUTIONS FOR USING A FRAME PHOTOMETER:

1. Do not move or Carry the unit when in use or connected to the mains electricity supply

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Vitek1552 [10]
<span>cellular respiration 
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