<span><span>Porosity is the amount of empty space in a rock or other earth material (like sand) - in other words, it's how much water a material can hold.
Permeability refers to how well water flows through a material - the flow is controlled by how large the pores are and how well connected the pores are in a given object.</span><span>Therefore, there these are two primary factors that limit the movement and the amount of water (or other fluids) retained in rocks/sedimentary materials.</span></span>
The nutrients in topsoil that support plant growth come from <span>plant and animal matter that is decaying.
When a plant or an animal is decaying, it releases nutrients which are beneficial for the soil. If the soil is healthy and thriving, it means that the new plants which are about to appear will grow more healthily and produce their 'goods.'
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To push the enslaved to produce more crops. to render the enslaved powerless as to not revolt. to provoke fear in the enslaved to repay their cost. to harden the enslaved and ready them for auction.
Answer:
A crystal face tends to be dull and rugged where a cleavage plane (most commonly seen in mica) is smooth and shiny, only being dull towards the edges it splits.
Azerbaijan's main source of wealth is it's mineral industry.
