Q: Which statement describes the location of our Sun in the universe?
A: Our Sun is the center of a solar system in the Milky Way galaxy.
Q: Which distance is the smallest for which it is most practical to use the light-year as a unit of measurement?
A: the distance between the Sun and the center of the Milky Way
Q: Atoms of which of these elements are part of many organic molecules?
A: oxygen
Q: Which is the most likely response of a human to an increase in temperature?
A:
increasing the amount of perspiration