In a solution that has a ph of 10, the hydronium ion concentration is than a solution with a ph of 13. 30 times smaller

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

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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