The right option is; A. Compounds can be separated by physical methods.
Compounds can be separated by physical methods is the statement about compounds that is false.
A compound is a molecule that is formed from the combination of two or more different chemical elements. The atoms of the different elements that form a compound are held together by chemical bonds (covalent and ionic) that are not easy to break. The component of a compound can only be separated by chemical means and not by physical methods. An example of a compound is water (H2O) which is composed of hydrogen (H) and oxygen (O) atoms.
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C autosomes
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the remaining chromosomes are known as autosomes
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It serves a protective function against bacteria and the wearing away of certain organs by lining various structures. Also prevent water loss.
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The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. Cells are often called the "building blocks of life".
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A zygote can end up with one fewer chromosome than normal because one of the fertilizing gametes was missing a chromosome. This deletion, called nondisjunction, happened while the gamete was forming.
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