Billy put some soil into a glass jar and then planted a small green plant in the jar. He punched a few holes in the lid and then covered the jar. He placed the jar on the windowsill so that it would get a lot of sunlight. After several weeks, the plant died .What mistake did Billy make that made the plant die? .

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2