I believe C is the correct answer; parent material is rich in nutrients for plants, and decomposed plant litter is also known as decaying organic material. Hope this helps! :)
Approximately 97.5% of the earths water is salt water (saline), and 2.5% is fresh water hope this helps.
No,northerly wind blows from north to the south!!!(p.s winds are named from the direction from which they come,followed by the suffix -erly for example wind from the north are called northerly winds(north+ -erly)