How are Cyanobacteria related to the atmosphere? A. It is believed they were the first oxygen producing organisms
B. They are believed to produce carbon dioxide into the atmosphere
C. They fed off the abundant nitrogen in the atmosphere

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

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the correct answer to this question is 2

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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