Which sentence has the correct subject-verb agreement?
Scientists who study the universe has several theories about the rings around planets.
Saturn, which is the sixth planet from the sun, rotate every 10 hours and 14 minutes.
Saturn, along with Jupiter and Uranus, has rings that encircle the planet.
Scientists who study the universe has several theories about the rings around planets.
Saturn, which is the sixth planet from the sun, rotate every 10 hours and 14 minutes.
Saturn, along with Jupiter and Uranus, has rings that encircle the planet.