Answer:National Parks are designated for three primary management objectives with equal emphasis on each, viz. preservation of species and genetic diversity and the maintenance of environmental services
Explanation:
For example, if there is a L shaped sketch and you dimension from the bottom of the L to just above the horizontal part, and then you dimension the vertical part from the end point of the last dimension you'd be okay. But, if you dimensioned both of those lengths and then the total length you would be over dimensioning the sketch.
Medium: Any material used to create art.
Proportion: A principle of design that refers to the size relationship of an art work to each other and to the whole.
Technique: The manner in which the artist controls his medium to achieve the desired effect