Adrian caught a virus while staying with his grandmother. a few years later, his mother and sister got the same virus. this virus could spread through touch and direct contact. however, adrian did not contract the virus this time, even though he was living with his mother and sister. why did he not get sick?

Adrian’s immunity produced a higher amount of  antibodies for the antigen, preventing the virus. meaning his body built up a defence mechonism for it

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.