20. the model of the universe that suggests that the sun is the center of the universe was first brought by
a. copernicus.
b. brahe.
c. ptolemy.
d. kepler.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided