What degree of rotation about the origin will cause the triangle below to map onto itself?
B
Á

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

The capital of australia was located a. on a south-facing harbor d. between its two largest cities g. near the great barrier reef j. close to asia

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