What is it when called when businesses produce goods and services that consumers do not want​

Octothorpe is another name for what common computer keyboard symbol?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing