<span>Sentence (i) has been shortened in sentence (ii) by using an adjective.
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Answer:
Foolishness and Folly. "Dr. Heidegger's Experiment" is rooted in a rather pessimistic view of human nature, and also old age. "Dr. Heidegger's Experiment" explores questions of age and behavior. ...
Explanation:
The answer is 1, because paying attention to word choice is a solution to a communication barrier
Serious and anxious would both work, but serious is more likely
Training your dog.
It is very important to train your dog. It keeps your dog's mind active, and it >help(s)< to build an understanding between you and your dog. Often owners will shout at their dogs or even punish them ,when what is needed is training.
There is an error with sentence 2 , and you would change help to helps