The nearest exoplanet is proxima centauri b, located 4.2 light-years from earth and orbiting proxima centauri, the closest star to the sun.

Why is it important to study each branch of earth science?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

To test the responsiveness of the kidneys, scientists have designed an experiment tracking urine output of people during a normal day, while regulating the in-take of water by mouth. what would be an appropriate hypothesis for this experiment?