what chemical elements are considered the building blocks of life? astrobiologists have been searching for signs of life on mars by looking for chemical substances such as carbon, water, nitrogen, phosphorous, and other building blocks of life.

Respuesta :

With a single rover bigger than both the Viking landers transferred to Mars in the 1970s, Mars Science Laboratory looks for chemical rudiments that are the structure blocks of life.

These structure blocks include six rudiments necessary to all life on Earth: carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulphur. Life requires small quantities of other rudiments, similar as iron, along with sources of energy. On Earth, this energy comes from the sun or from electrons moving back and forth between rudiments and composites in nature. Life also requires a stable enough terrain to get a base without being cancelled by natural hazards similar to stormy explosions or inordinate ultraviolet radiation. The Mars Science Laboratory is studying carbon and water cycles on the earth through its history. That is, it seeks to determine in what form quantum carbon and water is stored on the earth or in its atmosphere and how that may have changed through time.

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