What is the purpose of the "care" step of first aid?

It protects the victim from any possible further harm.

Explanation:

The person doing the first aid can now check if there's anything else that the victim could be hurt by, check to see any dangers, etc.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.