The Chernobyl explosion in Eastern Europe caused the release of , damaging plant, animal, and human living. A. radioactive contamination
B. oil deposit
C. electricity emissions

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

Which type of seismic waves are confined at the surface

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