5.26 grams of Ca atoms to moles.

11 players on a field that has a maximum of 11 players

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.

50.23 i believe is correct but don't quote me on that.