here are majorly 12 factors influence Soil fertility
Infiltration of water.
Soil structure.
Active Soil life.
Content of organic matter.
Minerals present in the soil.
Acidity or Soil pH.
Water Retention capacity of soil.
Water draining ability of the soil.
(google)
Answer:Between A and B is one of those i think
Explanation:
Answer:
Main function of phloem Transportation of food particles.
Explanation:
Phloem is the living vascular tissue in plants. Phloem is also known as bast. Phloem is responsible for transporting food to parts of the plant where needed. It's mainly transport sugar sucrose which is made by photosynthesis. This transport process is called translocation. In trees the phloem is the innermost layer of the bark.
the complement system is a group of proteins in the blood that attack pathogens that enter the body and kill them.
