hydrogen gas
There is no "Murcury" bu there is a planet Mercury, it has no satellites natural or artificial that remain in orbit around the planet.In 1973 Mariner 10 flew relatively close to Mercury and photographed some of the surface.
murcury,mars,venus,earth,neptune,uranus,saturn,and jupiter
Approximately 30% of the Earth's surface is covered by land, the remaining 70% of the surface is covered by water.
no
The surface of earth is covered mostly by water.
About 71.1% of earths surface is covered by the ocean.
rocks
It is murcury
33% of the land surface of earth is covered by deserts.
About 71 percent of the Earth's surface is water-covered.
I think it is 75 % of the earths surface is covered by limestone
no, it is covered with volcanoes