The sternum is not all solid bone, it has a section of cartilage at the tip as it approaches the abdomen. Therefore it is easy for it to be fractured if pressure is exerted below the line marked by the two nipples, which is a place where it is strong enough to be safely pressed by the heel of the hand.
<span>The way goods and services are produced, distributed, and consumed in a society mean a consumpation of goods and the supply of a money, that talks about economy, so the answer is C: economy.</span>
