If your talking about Houses insulation it is used too keep warm air in for the most part and to lessen heating bills, otherwise all the warm air would escape.
Answer: genome. The human genome
Explanation:
contains somewhere between 20,000 and 25,000 genes.
The term allele describes the form of a gene that produces a specific trait such as eye color.
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Chemical bonds form between their atoms, the result is a chemical compound
Third trimester. It doubles in mass at this time and continues to still grow and mature