1 Something __ such as a tumor or bad influence, is deadly or does great harm. Onalve malignant formative mediocre

## Step 1<br />The problem is a vocabulary question, asking for the term that best describes something harmful or deadly, such as a tumor or a bad influence. The options provided are: Onalve, malignant, formative, and mediocre.<br /><br />## Step 2<br />The term 'alignant' is used to describe something that is very dangerous or harmful. In the context of the problem, it is used to describe a tumor or a bad influence that can cause great harm or be deadly.<br /><br />## Step 3<br />The other options, 'Onalve', 'formative', and 'ediocre', do not fit the context of the problem. 'Onalve' is not a recognized English word, 'formative' refers to something that shapes or influences the development of something else, and 'ediocre' means of only moderate quality; not very good.