Sand, because there is more space between the particles.
It doesn't. Topsoil absorbs water better than sand and clay.
sand
Clay
I would think clay because it has more density water would go right through sand :)
sand
sand because it absorbs a lot of water.
Clay is not more porous than sand. Porous means permeable by fluids, so, sand is more porous than clay.
Clay is soft and sand is like sand water
because the sand is very softer than a clay
Sand is far and away more permeable than clay. Water poured into sand disappears in moments. Clay layers in the earth can effectively block the penetration of moisture. Big time.
Sand absorbs a higher percentage of the radiation than water does. Water reflects more radiation and allows more radiation to pass through it than sand does.
Sand. The sand has space between all of the little grains, clay is stuck together with less space.