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Alkali metals are any of the elements found in Group IA of the periodic table (the first column). Alkali metals are very reactive chemical species that readily lose their one valence electron to form ionic compounds with nonmetals. All elements in the alkali metal group occur in nature.
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The modern evolutionary synthesis defines evolution as the change over time in this genetic variation. The frequency of one particular allele will become more or less prevalent relative to other forms of that gene.
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A substantial part of the phenotypic variation in a population is caused by genotypic variation.
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It is based on the principle of continuous improvement. The standard enables companies to define what a quality product should be and how it should meet customer needs.
Sexual reproduction is a form of reproduction where two gametes fuse together. Each gamete contains half the number of chromosomes of normal cells. They are created by a specialized type of cell division, which only occurs in eukaryotic cells, known as meiosis.
So i'm gonna say that the answer is..B. helped maintain a slow rate of evolutionary change.
The buttock region is the most common area for pressure ulcers to develop. Pressure ulcers or bedsores are injuries to skin and the underlying tissue resulting from prolonged pressure on the skin, They most often develop on the skin which covers bony areas of the body, such as hips, tailbone and the heals.