Clarissa and julio are in the same english class and have been assigned to sit next to each other. what will affect their first impression of each other?

Physical attractiveness. Clarissa and Julio will first notice physical look one at the other. Physical appearance influences on creating impression of some person. What we first see in some person is how she looks. If someone is physical attractive in our opinion, it's more likely that we will want to start conversation whit that person and want to know her better.