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Cambium is a tree layer between the bark and the heart of the tree trunk. It is a living part of the tree, and is partially responsible for healing any gashes in the trunk and also for transporting materials through the tree.
A sunspot is a part of the Sun that is cooler, and therefore darker, than the surroundings.
A topiary is generally a dark green leafy color. The topiary is cut from a small tree or shrub. The darker the greenery the better the shape is shown.
fruit?
a.) SapwoodThe sapwood is the younger, softer outer portion of a tree that lies between the heartwood and the cambium (formative layer just under the bark) As comparatively new wood, sapwood is less durable and more permeable than heartwood.While a floor purely of sapwood may be beautiful and smoother than heartwood, the softness and permeability of the sapwood makes it expand and contract easily, which can cause it to warp in certain conditions. This weakness also manifests differently in various tree species; some have sapwood that is strong and durable, others have weak, soft sapwood that is not appropriate for wood floors. Many times, sapwood is graded higher than heartwood because it is smoother and less prone to knots and blemishes; the highest-grade sapwood is virtually free of any imperfections. Coloration of sapwood ranges from white to light and yellow blonde tones. HeartwoodHeartwood is the older, harder central portion of a tree. It usually contains deposits of various materials that frequently give it a darker color than sapwood. Denser and more durable than sapwood, heartwood is found primarily in aged trees.Heartwood is generally darker than sapwood, and doesn't have the same expansion and contraction problems that beset some sapwood. It makes a great wood floor because of its hardness and strength, and its resistance to many weather conditions. The hardness of heartwood, like sapwood, depends on the tree species and age of the tree.
Heartwood
Hormones
Older, More Tired and probley feed up which would depending on your lifestyle make a much darker later stage in life.
Brown is the more darker color because of its texture. Just like a tree is darker than grass.
no
older
No. In fact, the opposite is true: your hair gets lighter as you get older.
Darker is a comparative adjective
No. In fact, you may notice that the older they get, more white will come in every time they moult.
They are white with a pink center and darker spots.
Yes, for some people, hair can appear darker as they get older due to a decrease in the production of melanin, the pigment that gives hair its color. This decrease in melanin can make hair look darker and more saturated. Additionally, natural graying of hair can create a contrast that makes the remaining dark hair appear darker.
bark