The movement of tectonic plates is due to
a. conduction
b. convection
c. radiation
d. strong force
e. none of the above

If a system of linear equations has the unique solution (2, −3), then its graph consists of what? parallel lines lines that intersect at a single point identical lines a y-intercept at −3

When members of congress must vote on a bill that is nonideological of one on which they have no specific position what are the most powerful influences

What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems