I believe the answer is three
Process by which the internal structure of a mineral is altered by the addition or removal of elements. Change in phase (mineral type) and composition are due to the action of chemical agents. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluids.
Answer:
-kills organisms such as fish, birds, and crabs
-disruption of food chains caused by the death of organisms
-destruction of ecosystems
The answer to this question is summer I know this for a fact cause I took biology last year your welcome
Answer: To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years.
Explanation: Hope this helps :)
