Answer:
Genes are made up of DNA.. DNA is the molecule that is the hereditary material in all living cells. The color of your hair,skin,eyes etc,, are all controlled in part by your genetic information
Explanation:
Some organic methods of adding nitrogen to the soil include: Adding composted manure to the soil. ... Planting nitrogen fixing plants like peas or beans. Adding coffee grounds to the soil
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I think the answer is nitrogen fixation.
