Compléter SDG 15 Life On Land Fill in the BlanksVersion en ligne Fill in the Blanks game about SDG 15 Life On Land with key terms and concepts. par Pavlína Şanlısoy 1 agricultural quality ecosystem problems soil species drink microorganisms brown When people think of soil , they only think of muddy stuff under their feet . However , there are more than 750 different types of and each of them has its own living in it . It ? s said that in a single gram of soil , there could be as many as 50 , 000 of microscopic organisms , or . Soil affects the of the food we eat , the air we breathe and the water we use and . It provides people with whatever is necessary in their lives . Running out of healthy soil means that people won't be able to continue or planting activities which would create more for people .