Which statements identify reasons to preserve wetlands? check all that apply. they filter water. they store floodwaters. they provide animal habitats. they divide different watersheds. they are used for hydroelectricity.

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks