What color does the star alpha centauri appear to be? a. red b. yellow white c. blue d. blue orange

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio