I think the answer is d. the moon's umbra only covers a small area on earths surface.
Answer:
Increase communication frequency and accessibility. For those coming from different backgrounds than the typical American, communication is critical. ...
Develop on-going, automated recall programs. ...
Use multiple contact channels. ...
Be flexible on your no-show policies
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if you would put a picture or a graph that would help me give the best answer!
By clearly showing his appreciation, Rick's boss is activating a reaction in Rick's mind. Much like little children when a person is given praise for something they've done correctly then they immediately want to do more things that are right and this causes a chain of reactions; the person will do good or well in the future because they like the praise they are being given and they want more of it. Because his boss is giving praise or appreciation for his work Rick will want to work more and even better because he'll want to get that same praise again at some point, thus Rick becomes a harder worker.
Hope this helped you a little!