Convert 75k to oC
(I’ll mark you as brainlister)

-198.15 degrees Celsius

Explanation:

To convert to Celsius from Kelvin, subtract 273.15 from your temperature in Kelvin.

75K - 273.14 = 198 degrees C

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

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.