Identify two potential improvements to the opal extraction process and explain how
these improvements could minimize harm to the environment

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Drag each tile to the correct box. tiles bra i sequence

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?