The answer i believe is d.
hope this helps!!
<span>Temperate Decidous Forest.. </span>
Material through which water flows is permeable. This material can be either natural or artificial. Naturally permeable material can be clean sand and gravel for example, or a sandstone and in the latter case the sandstone can have both porosity which is not synonymous with permeability as the pores must be connected to be permeable. An impermeable membrane could be used to line ditches for example to prevent leakage near mines.
People like to do more stuff on a screen than they dont think that science is everywhere but they are to busy on their phones to notice.
