Match the following items common mineral precious metal gem 1graphite 2ruby 3gold

What feature of cell theory is best demonstrated in the image

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad