Life would be very hard because then they may not be able to survive <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.
<h3>Hurry please help How does filtration occur during the formation of urine?</h3>
Answer : A.) Pressure causes water and dissolved substances to filter through capillary walls of the glomerulus.
Hope this helps!