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Since the equation has a cubic term, we can expect the curve to have certain properties: it should have three points where the graph touches the x-axis, two turning points, of which one should be a minimu...

The silver nitrate test is a test for halide ions and the flame test is a test for metal ions, since they produced positive results you have an ionic substance. The result of a white precipitate is the po...

A good answer to a source question is made up of three parts: context, content and usefulness.For the context, look at where the source ...

Algebra can be tricky to get a hold of but once you've worked through a few questions, you'll quickly get the hang of it!The aim of this question is to find x, that means the solution will look like this:...

Co-dominance is when two alleles are expressed equally in the phenotype in the heterozygote. For example, plants that are homozygous for one allele may be red and plants that are homozygous for another al...