They are both the building blocks of life
The answer is B
topsoil<span>. The potting soil</span>, is use for cultivating floors, grasses and
vegetables in a handle or container. <span>The potting soil</span><span> available in trades is sterilized in order to avoid
the spread of bad grasses and diseases transmitted by the plants.</span>
Answer: about 10 TIMES MORE!!!
Explanation: all you have to do is know the two averages and compare them out ;)
