Thomas likes to talk about himself a great deal. it is often quite hard to move the topic of conversation away from his interests, achievements, and activities. the barrier to effective communication with tom is:

Self-preoccupation

Explanation:

Under this particular scenario, we can state that here the  barrier to compelling and persuasive communication with  individual is self-preoccupation. Self-preoccupation is referred to as or known as the state of being absorbed or engaged with the self or oneself. Here, it is given that Thomas tends to mostly talk about himself.

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

are there actual statements because if not my answer would be: that using the five senses the author can create a sense of worth in an object to appeal to the reader and create meaning.