1. Calculate how much gravel you will need. To determine this, you need to multiply your drivewayâs length (in feet), width (in feet), and depth (in feet), then divide by 27 to get the cubic yards of gravel. 1  The depth of the gravel can vary, but should be at least 4-6 inches.
Causes of Unresponsiveness that are uncommon. The following causes of Unresponsiveness are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA: Cirrhosis of the liver - unresponsiveness.
Apoplexy is a condition of sudden unconsciousness when an occlusion or rupture of any blood vessel leads to lack of oxygen supply to the brain. Any such cerebrovascular accident leads to uncontrolled bleeding in the brain causing impulsive unconsciousness.It leads to paralysis of various body parts.ow that we know the answer for what is apoplexy, let us look at the various causes that lead to this condition. The sudden unconsciousness condition of apoplexy occurs due to drastic changes in blood levels of brain. An increase in the levels of blood within brain is due to hemorrhagic stroke.