terrestrial planet. the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth earth,in geology and astronomy, 3rd planet of the solar system and the 5th largest, the only planet definitely known to support life.Gravitational forces have molded the earth, like all celestial bodies, into a spherical shape......lso found in: Dictionary/thesaurus, Wikipedia. the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth earth,in geology and astronomy, 3rd planet of the solar system and the 5th largest, the only planet definitely known to support life.
Phosphorus is a mineral that combines with other substances to form organic and inorganic phosphate compounds. The terms phosphorus and phosphate are often used interchangeably when talking about testing, but it is the amount of inorganic phosphate in the blood that is measured with a serum phosphorus/phosphate test.
Phosphorus is a non-metal that sits just below nitrogen in group 15 of the periodic table. This element exists in several forms, of which white and red are the best known. White phosphorus is definitely the more exciting of the two.