Beginning writers tend to overuse which quickly become monotonous.

Short, simple sentences.

Explanation:

In any type of writing, it is necessary to maintain a balance between the short and long sentences as excessive usage of either of them may spoil the essence of the work or text. Beginning writers tend to display an obsession with the use of short, sentences in order to keep their ideas clear but this often leads to monotony among the readers due to constant repetition of the same idea. It also illustrates the insufficient linguistic skills and lack of ability to connect the ideas and present it as a whole instead of serving it in pieces. The professional or skilled writers employ the usage of short sentences to add suspense or grab the attention but excessive usage of these sentences ruin the interest of the readers.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation: