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fenix001 [56]
3 years ago
7

_________ homologous chromosomes line up in the center of the cell

Biology
1 answer:
Afina-wow [57]3 years ago
7 0
Metaphase
Mitosis
Prophase
Prophase
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The composition of sand varies, depending on the local rock sources and conditions, but the most common constituent of sand in inland continental settings and non-tropical coastalsettings is silica (silicon dioxide, or SiO2), usually in the form of quartz. The second most common type of sand is calcium carbonate, for example, aragonite, which has mostly been created, over the past half billion years, by various forms of life, like coral and shellfish. For example, it is the primary form of sand apparent in areas where reefs have dominated the ecosystem for millions of years like the Caribbean.

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The four main types of macromolecules are organic. what does organic mean in this context.
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