Answer:
I think it both physical & chemical change :')
B. carbon sequestration
Explanation:
Carbon sequestration is a method that reduces carbon dioxide emissions by storing them for a long time.
- It is long term harvesting or sequestering of carbon dioxide from the atmosphere in order to avert air pollution and climatic change problems.
- Carbon sequestration is usually employed in the storage and capture of atmospheric carbon dioxide.
- The carbon dioxide can be sequestered using biologic or geologic means.
- Carbon dioxide gas is used to enhance oil recovery from geologic formations that have low permeability or those with low formation pressure to push out the oil.
Learn more:
Biogeochemical cycle brainly.com/question/3509510
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Answer: A “system in exchange of matter with its environment, presenting import and export, building-up and breaking-down of its material components.”
Explanation:
Answer:
I cant see the picture but
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Answer:
ratio=0.996m/s
Explanation:
; M= molecular weight of compound;
RMS speed is inversly proportional to the molecular weight hence compound having less molecular weight will have more rms speed value.
;
;
=ratio of 
=
;
