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where doe other plants receives most of it's nutrients?
soil
describe soil?
how many types of soils just in US
80,000
soil is a unrenewable source
false
about how many years to form new soil?
50-100
reason why there's a losr of nutrients in the soil
erosion
what is erosion
what is compost?
samples of organis materials
rotted of remains of dead animals
what is a decomposer?
give examples of decomposer
molds, mushrooms, bacteria
one gases found in our air
nitrogen
how many percentage is composed of nitrogen gas?
79%
substance that contain nitrogen and oxygen
nitrates
gas that absorbed from the air by plants and used during photosynthesis
carbon dioxide
it released as a waste product of photosynthesis
oxygen
