I believe that the correct answer to this question would be "produced with the help of <span>ecosystem-based management". Books are often made out of trees, and in order to produce paper, ecosystem-based management is needed.</span>
Scientists now know all know that the earthquakes are caused by faults and they look at the ground for this activity, thus means that by doing this they knew more and more of the earth.
C. when did the earth form? and what is it made of?
