Chemical weathering refers to the erosion or total disintegration of rocks that are caused by chemical reactions and not by mechanical processes. Usually water and other liquid substances causes this to occur. Skyscrapers or buildings are prone to chemical weathering because they are constantly exposed to precipitation and other elements in the atmosphere. In rocks, when this process happens they tend to crumble and form smaller rock pieces. It is important to note that during this stage, the end product is a totally different substance than its original phase.
Answer:
A plastic bag
Explanation:
Because most evidence is stored in a plastic bag so no evidence is removed and it is protected.
Answer:
C
Explanation:
Population is the number of simular species in the area, so the land and fish don't count.
Prevalent = Widespread
Requisite = Necessary
Propagate = Spread
An oil spill from a tanker is an example of point-source pollution.