Question

This crop can bleach and harden from "ice-ice" disease and was once widely burned to harvest soda ash. Anna Atkins' first book of cyanotype photograms was of this crop. (0[1])FutureFeed makes bromoform-heavy (0[1])pellets from this crop that greatly reduce methane emissions (20[1])from cows. (0[2])Research on a form (0[1])of this (20[1])crop (0[1])known (0[1])as kombu (20[1])led to (0[1])the (20[1])coinage (20[1]0[3])of the (20[1])term (20[2])(*) umami. (10[3])Ice (10[2])cream is often (0[1])thickened (10[2])using (0[1])carrageenans (10[2])extracted from this (10[2])crop. (10[2])Other forms (0[1])of this crop include the sheet-like nori. (10[2])This crop (10[2]0[1])is (10[1])farmed vertically on longlines in the fastest-growing (10[2])sector (10[1])of aquaculture and can also be harvested from namesake forests. (10[1])For 10 points, name these marine plants whose edible type can be dried (10[1])to wrap sushi rolls. (10[2])■END■ (10[9])

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