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Needle-like leaves reduce the surface area of the leaf, thus reducing the amount of water that evaporates from the plant in low-temperature or low-water conditions.
It has needle-like leaves to reduce water loss through transpiration. It has a sloping shape to prevent accumulation of snow.
1. to keep warmth. 2. to keep the leaves from falling. 3. and to construct the shape of the conifers needle like.
To reduce water loss from leaves in dry climate.
To reduce water loss from leaves in dry climate.
To reduce turbulent the key is to have streamlined shape of an object.
the streamlined shape help to reduce air and water resistance like the shape of a plane and birds and fishes so as to reduce the over working and enable quick movement to it imposes less work not velocity
A needle sink in water.
Water surface tension hold the needle on the water surface.
It helps prevent water loss to coniferous trees in the winter in coniferous forests
Yes if the surface tension of the water is not broken. If you are careful you can place a needle on the surface of the water in a glass. Also if you reduce the surface tension with detergent (just a very little is enough) the needle will sink because it's density is greater than that of the water. NO (if the surface tension of the water is broken, a needle cannot float on the surface of water. This is because the needle has higher density than water (density is mass divided by volume).
no because it is not water based itself