The hydrosphere is basically everything that is water.
Answer: c. a meteoroid
Both meteor and meteorite are meteoroids that have penetrated the Earth's atmosphere while meteoroids are small parts of an asteroid or comet that are found orbiting the sun or near the Earth
It keeps us from flying into outerspace.
The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.
