Ocean trenches are the deepest parts of the ocean. Deep ocean trenches are associated with Constantly Moving a certain type of volcanic chain called an island arc and with zones of high earthquake activity.
_______________ states that the ratio of the potential difference across a conductor to the current flowing through it, is a constant, provided that its physical conditions, such as temperature, remain constant.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence. Having or involving an extreme or irrational fear of or aversion to something.