Answer: Chemical weathering decomposes or decays rocks and minerals. An example of this is water and limestone. Organic weathering happens when plant break up rocks. One the rock has been weakened and broken up it is ready for Erosion. This happens when rocks are picked up and move usually by water. Mechanical weathering breaks up rocks, this usually happens when water gets into cracks, freezes and expands the rock
Explanation:
As the ocean level rises sea water floods inland and puts a risk to water reserves like dammed lakes and other places by contamination
Answer:
it ensures the transmission of traits from one generation to the next.at thesame time,it is a key process that introduces genetic variation into the traits that offsprings inherent from their parents.
