The eastern side of South America lacks compared to the western side; this demonstrates the two areas have drastically different plate tectonic settings. Multiple choice question.

Which of the following statements about wearher along mountain ranges is correct

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

The inner planets mercury, venus, earth, and mars were formed by