In introducing yourself, which of the following should you do? Select all that apply. Give your title. Introduce a topic of common Interest. Give some background information. State your full name.​

Ablank is a group of individuals of the same blank that exist together in the same place at the same time

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

Lorek lives near the north pole. the snow in his backyard adds water to the atmosphere through )transpiration )evaporation )sublimation )condensation