Because of the nitrogen cycle all of the above answers are correct
Answer:
If there wasn't a lot of organisms and energy in the productive part of the triangle, then there wouldn't be a lot of third level organisms. The energy piramid would be a lot smaller then what it is here, and maybe if the energy source was low then there might not be such a vast varity of animals in the ecosystem.
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Bulk (cubic centimeter/g) = Thickness (mm)* 1000/ Basis Weight (g/m2). Sheet bulk relates to many other sheet properties. Decrease ...
Printing Paper: 6 -7
Office/Business Paper: 4 -4.5
Newsprint: 7.5 - 9.5
Marketing Wood Pulp: 10
