What type of worm has a circulatory system? Nematodes
Segmented worms
Roundworms
Flatworms

Here's link to the

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Your answer will be Segmented worms. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.

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