Answer:
All carbon atoms can be connected to a continuous chain in the straight-chain alkane. In alkanes of a branched-chain, all carbon atoms cannot be connected to a continuous chain as a branch or side chain is part of the carbon chain.
Explanation:
Subsoil is the layer of soil under the topsoil on the surface of the ground.
Solid wood is a term most commonly used to distinguish between ordinary lumber and engineered wood, but it also refers to structures that do not have hollow spaces. Engineered wood products are manufactured by binding together wood strands, fibers, or veneers with adhesives to form a composite material.
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Explanation:
element with atomic numbers 7 and 83 have 5 and 5 valence electrons
