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diet which contains all the nutrients needed by the body in the correct quantities and proportions.
a form of environmentally-friendly farming in which farmland and soil are cared for so that it...
coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They...
mass extinction event of 65 million years ago, in which about 85% of all species on Earth died...
disease caused when the arteries that supply the heart muscle become narrowed or blocked by the...
refers to any variation in the nucleotides, genes, chromosomes, or whole genomes of organisms....