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Nitrogen

20%

Seeds, nuts and some fruit

A force of attraction between oppositely charged ions

Steam from volcanoes condensed to form water vapour and created oceans

Little oxygen and small proportions of water vapour, ammonia and methane

The aim was to see whether substances now made could have formed in the conditions of the early earth

Co2 dissolved into oceans which meant there was a decrease in co2

After a week, amino acids which are the building blocks for protein were found Complex chemicals are needed for living things to develop could be produced naturally

Mixture of water, ammonia, methane and nitrogen heated to produce water vapour, an electrical spark was passed through to create lightening. A week later, amino acids were formed which are the building blocks for protein.

Smelting Pytomining Bioleaching

Carbon can be stored in oil resivors

Low density so it can be used in air crafts Malleable Corrosion resistant Good conductor

Oxygen

Carbon

Co2 and h20

Hydrocarbons can be cracked to produce smaller molecules, you heat them up to produce vapour which is then passed over a catalyst or mixed with steam

Less volatile

Near the bottom

Do not ignite easily

Water proof coatings Smart materials New packaging materials

Not biodegradable so they landfill sites are increased and can release methane

Mixing ethene with steam By fermentation

Unreactive