1 which type of soil is best for planting?
A.Loam
B.clay
C.sand
2.whay is soil important to living thing?
A. forms part of the earth where animals live
B. provides the necessary nutrients needed by plants
C.server as a place where people live
D.all of the above
A.Loam
B.clay
C.sand
2.whay is soil important to living thing?
A. forms part of the earth where animals live
B. provides the necessary nutrients needed by plants
C.server as a place where people live
D.all of the above
Answers & Comments
Verified answer
Answer:
1.A.LOAM
-Best Soil For Plants:
The ideal blend of soil for plant growth is called loam. Often referred to as topsoil or black dirt by landscape companies, loam is a mixture of sand, clay, and silt. The estimated mixture is 40% sand – 40% silt – 20% clay.
2.B/D
-Soil is our life support system. Soils provide anchorage for roots, hold water and nutrients. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites. We build on soil as well as with it and in it.
Soil plays a vital role in the Earth’s ecosystem. Without soil human life would be very difficult. Soil provides plants with foothold for their roots and holds the necessary nutrients for plants to grow; it filters the rainwater and regulates the discharge of excess rainwater, preventing flooding; it is capable of storing large amounts of organic carbon; it buffers against pollutants, thus protecting groundwater quality; it provides Man with some essential construction and manufacturing materials, we build our houses with bricks made from clay, we drink coffee from a cup that is essentially backed soil (clay); it also presents a record of past environmental conditions.