Examlex
Which of the following statements is correct?
Heartwood
The dense, inner part of a tree trunk, yielding the hardest wood.
Sapwood
The younger, softer, outermost layers of wood between the heartwood and the bark, functioning in the transport of water and nutrients.
Softwood
Wood from gymnosperm trees, typically less dense than hardwood, used in construction, paper manufacturing, and furniture.
Photosynthesis
The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water, producing oxygen as a byproduct.
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