Examlex
Compare DNA and RNA. Be sure to include differences in their chemical composition and structure and their roles within the cell.
Polyvarietal Cultivation
The agricultural practice of growing multiple varieties of the same crop in a given area to increase genetic diversity and reduce disease risk.
Salt Build-Up
The accumulation of soluble salts in soil, often as a result of irrigation in arid and semi-arid regions.
Agriculturally Unproductive Land
Land that lacks the capability to produce agricultural crops or support livestock, often due to soil infertility, poor climate conditions, or unfavorable topography.
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