The temperature of a lightning bolt
30,000 degrees Kelvin
more than the temperature
6,000K
the Norwegian countryside
goods where
The customer
calculates the bill
The total number of species living on Earth
if the number of
plants living
of themaximum
animals living on land is 12% and mushrooms, 7%.

re mushroom/mushrooms, I think Doomer is not a native speaker of English. I have never heard anyone say "I have eaten mushroom." It's always mushrooms.