How does the adaptive immune system have memory? Why is this helpful for staying healthy?

it produces antibodies that fight bacteria

Explanation:

the immune system is very important

there is no

explanation:

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.