The lower levels of the pyramid must also grow-for more people to consumer higher-end items, there must be more people to make those items.
In terms of engineering, construction is the activity of putting together different elements, using a detailed design and plan, to create a structure for a certain location. ... Architects and engineers design and build the structure with that location in mind.
Answer:
Groundwater flows from areas with a higher water table surface to areas with a lower water table. This mixture of carbonic acid in water makes most natural surface waters slightly acidic. As slightly acidic water infiltrates the ground to become part of the groundwater system it causes weathering of the rocks.
<em>Hope that helps! :)</em>
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<em>-Aphrodite</em>
Explanation:
