The many and still ongoing fights for racism to end, hopefully peaceful protests. This is necessary because we all deserve to be treated as equals no matter which race, color, or gender. At the end of the day we’re all human beings and have our rights.
Our solar system is heliocentric, which means everything revolves around the sun. Geocentric would mean everything revolved around the earth.
A sea is great body of water, usually salty, that covers the earth broadly. It is a connected body of salt water that covers 70% of the earth.
The ocean on the other hand, is a large area of water in between continents. They are very big and they join smaller seas together. Together, the oceans are like one "ocean", since all the "oceans" are joined