Menure and other mixed chemicals from wildlife,plantation etc.
One can tell if one has groundwater contamination if rain water or surface water comes into contact with contaminated soil while seeping into the ground or when liquid hazardous substances themselves soak down through the soil or rock into the groundwater.
Its a primary source as it comes off a tree - cant get more primary than that
Primary- it comes from someone who was a witness to a historical event (In this case, the Holocaust).
our primary source comes from the sun.
Palin's log of his trip is considered a primary source because it comes directly from Palin. A primary source is an original source that has not been altered.
our primary source comes from the sun.
our primary source comes from the sun.
A quote that comes from a primary source
A quote that comes from a primary source
a quote that comes from an original source such as a person
A primary source comes from the time the person/subject was from (e.g newspapers from World War II, materials used by ancient tribes etc.) while a secondary source comes from after the person/subject was from
a.rainfallc.irrigationb.snowmeltd.aquifers