Which statement best describes how wells conveys his purpose with this excerpt?

read the excerpt from h. g. wells's the war of the worlds.

the peculiar v-shaped mouth with its pointed upper lip, the absence of brow ridges, the absence of a chin beneath the wedgelike lower lip, the incessant quivering of this mouth, the gorgon groups of tentacles, the tumultuous breathing of the lungs in a strange atmosphere, the evident heaviness and painfulness of movement due to the greater gravitational energy of the earth—above all, the extraordinary intensity of the immense eyes—were at once vital, intense, inhuman, crippled and monstrous. there was something fungoid in the oily brown skin, something in the clumsy deliberation of the tedious movements unspeakably nasty.
he provides quotes from experts.
he shares data about the creature.
he appeals to the reader's beliefs.
he uses detailed physical description.