One of the earliest vertebrate animal groups that evolved in the early Paleozoic Era
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Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?