How does historical voting patterns data impact how politicians campaign?

Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a texture.

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

How can studying economics us make better choices about how to use scare resources