Which method describes an example of absolute dating?
A.
using the type of rocks in a layer to determine the ol
dest layer in a canyon
B.
using the order of rock layers to determine the oldest layer in a canyon
C.
using radioisotopes to determine the oldest layer in a canyon
D.
using fossils to find determine the oldest rock layer in a canyon
Acid rain from Los Angeles changed the chemistry of the river, resulting in the death of many fish.Due to human activities in Los Angeles, pollution is not anymore shocking. The acid rain would be distributed to the river which would change the environment of the aquatic life.