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Because it allowed procariote autotroph cells (non-bound organelle cells which produce their own food) to develop because they now had oxygen available to perform photosynthesis.
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The difference between oxic and anoxic soil?
Soil that contains oxygen is known as oxic soil. On other hand soil which lacks the oxygen is known as anoxic soil
When did the earth go from anoxic to oxic?
around about 2000 million years ago
Why is the change from an anoxic to an oxic atmosphere significant in the evolution of living things?
anoxic = no oxygen oxic = with oxygenallowed animals and plants to grow on landformation of the ozone layer was successful in trapping in oxygen and keeping out harmful radiationbefore then animals only lived in the water because of oxygen dissolved in water and only a few feet down protects against strong uv raysAir does not provide buoyancy support or nutrients; it is dry compared to tissue, and provides little or no buffering against solar radiation or temperature changes. To move from the water to land, plants and animals had to adapt systems that would support their weight, provide transport of water and nutrients, protection from drying out, and insulation from the sun and temperature changes.
What has the author H B Hume written?
H. B. Hume has written: 'Technetium diffusion in clay-based materials under oxic and anoxic conditions' -- subject(s): Diffusion rates, Radioactive waste disposal in the ground, Clay, Technetium, Permeability 'Procedures and apparatus for measuring diffusion and distribution coefficients in compacted clays' -- subject(s): Clay, Environmental aspects, Environmental aspects of Radioactive waste disposal in the ground, Radioactive waste disposal in the ground
What kinds of rocks usually contain crude oil and natural gas?
Crude oil and gas is usually contained in three types of sedimentary rock:Type 1: formed from algal remains; generates waxy crude oilType 2: formed from marine Planktonic and bacterial remains; produces both oil and gas.Type 3: formed from terrestrial plant material that has been decomposed by bacteria and fungi under oxic or sub-oxic conditions; generate mostly gas with light oils. Coal is Type 3 source rock.Visit the Related Link for more information.
What are some five letter words with 2nd letter O and 3rd letter X and 4th letter I and 5th letter C?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -OXIC. That is, five letter words with 2nd letter O and 3rd letter X and 4th letter I and 5th letter C. In alphabetical order, they are: toxic
What chemical properties of nail polish remover make this product useful?
Nail polish remover is mostly Acetone. The formula for Acetone is C3H6O
What makes fossils formation most likely?
Fossils fuels form when the dead remains of plants and animals compress with high pressure and heat in the course of millions of years.
