Which major vein delivers and empties blood to the heart from the lower body regions?

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

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