In the four years from ages 2 to 6, childen gain about and grow about .
a. 18; 12
b. 26; 18
c. 10; 6
d. 12; 8

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.

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.