There are four Earth's spheres: the geosphere, hydrosphere, biosphere and atmosphere.
The spheres interact with one other. For example, plants (biosphere) produce oxygen (atmosphere) from carbon dioxide (atmosphere).
Substances in different spheres are recycled and turned into other phases and forms. This is important cycle and without that, there is no life on Earth.
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lighting a match is the answer.
Answer: Alkaline-earth metal, any of the six chemical elements that comprise Group 2 (IIa) of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). Hopefully i helped
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Answer:
2 i think should be the correct answer
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