Plant Ecology, Vol. 178, No. 1 (2005), pp. 51-59 (9 pages) Empirical evidence suggests that the direction and intensity of plant-plant interactions may depend on the favourability of the environment.
Color trends come and go, though when it comes to photographic treatments, some color effects are here to stay. For example, adding a brown tint to a black and white image produces a sepia tone that ...
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