I'd say the correct answer your looking for is B.
Photosynthesis Is generally the opposite of cellular respiration. To drive the organisms metabolism photosynthesis has an exothermic reaction.
The answer to the question asked above is when bonding lead, it easily binds with other lead. Also malleability is the property of a material to be hammered, thus bonding with lead is easy.
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An incomplete, or greenstick, fracture occurs when the bone cracks and bends but does not completely break; when the bone does break into separate pieces, the condition is called a complete fracture.