Sentences with phrase «living terrestrial carbon»

Not exact matches

At the American Physical Society meeting in March scientists reported that our makeup of complex molecules based on carbon and hydrogen is no fluke and that precursors to terrestrial life's distinctive chemistry apparently abound in distant space.

Animals that live in the sea have ratios of carbon and nitrogen isotopes that differ from those found in terrestrial animals, and this isotopic signature is passed on to the people who eat them.

The red giant will eventually cast off its entire carbon - rich envelope, leaving behind only a small, hot core, while its lost material spreads into space, ready to enrich planets that have yet to be born with the key element on which all terrestrial life is based.

CO2 that goes into the atmosphere does not stay there, but continuously recycled by terrestrial plant life and earth's oceans — the great retirement home for most terrestrial carbon dioxide.

The largest reservoirs of carbon on land are in the forests of the tropics and the soils of northern high latitudes, which are paradoxically, the least studied of terrestrial ecosystems, with the bulk of research effort made where most ecologists live, in the mid-latitudes.

The region locks up more than 100 billion tons of carbon — more than 11 years» worth of total greenhouse gas emissions from human activities; plays an important role in global weather circulation patterns, including delivering rainfall to Central America, the United States, and southern South America; supports perhaps a third of terrestrial biodiversity; and is home to the bulk of the world's remaining indigenous people still living in traditional ways.

The terrestrial biosphere reservoir contains carbon in organic compounds in vegetation (living biomass)(450 to 650 PgC) and in dead organic matter in litter and soils (1500 to 2400 PgC).