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8. Match the following:- 1. Land rift2. Rocks rift3. Valcano4. igneaus rocks5. Crust of the earth1 1Pacific Ocean.Fold mountainRifting mountainCenter LayerPrimary rochiks.꧁ |
| Answer» GALAXY is a huge collection of gas, dust, and BILLIONS of STARS and their SOLAR systems. A galaxy is held together by gravity. Our galaxy, the Milky WAY, also has a supermassive black hole in the middle. ... Some scientists think there could be as many as one hundred billion galaxies in the universe. | |