Radioactive isotopes are used to
a.
determine the absolute age of rocks.
c.
determine how rocks are formed.
b.
determine the relative age of rocks.
d.
determine how rocks are changed.

Ineed this right now uwu which phrases describe types of freshwater wetlands? check all that apply. flooded forest-like areas acidic areas found in northern climates grassy areas covered by shallow water areas of high elevation that feed into river systems small streams that flow into larger streams and wetlands