AUDIE CORNISH, HOST: The House has voted to repeal the Affordable Care Act. While the House has voted more than 50 times in the past four years to repeal the law, or parts of it, this was the first vote for a total repeal since 2013. NPR's Juana Summers joins us from the Capitol with the latest. Hey there, Juana.
1. Soil Type: Sandy. Sandy soil has the largest particles among the different soil types. Itâs dry and gritty to the touch, and because the particles have huge spaces between them, it canât hold on to water. Water drains rapidly, straight through to places where the roots, particularly those of seedlings, cannot reach.
Sand particles are the biggest, then silt and finally clay. Water: clings to soil particles; is taken up by plant roots. Air: fills gaps in soil; allows the plant roots and animals to breathe . Just under half, about 35 to 40%, of a good soil is made up of water and. air! So Which one is there most of  - could be air! Organic matter: includes manure, leaf mould and compost; releases. nutrients slowly as it rots; improves water holding. You can say it helps. stick the soil together! Animals: includes insects, bacteria and earthworms; help to break down. dead materials.