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As a U.S.Department of Agriculture field representative, you counsel a young farmer to plant alfalfa in fields with soils that have low nitrogen levels.You know alfalfa roots are hosts for nitrogen-fixing bacteria.How will the alfalfa and its associated bacteria help "fertilize" this farmer's soil?
Negative Correlation
A connection between two variables where one variable rises as the other falls, and the reverse is also true.
Mice
Small rodents that are often found in both wild and domestic environments, sometimes considered pests.
Selection Bias
Occurs when the sample isn't representative of the population, leading to skewed or biased results.
Vouchers
Certificates or coupons that can be exchanged for goods, services, or a reduction in charges, often provided as part of a promotional or welfare program.
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