This selection is mostly about how scientists are learning from plants and animals to create materials that
repel the cold.
B
engineering ships that can more easily move through the
water.
designing surfaces to help more birds develop water
repellent coats
D
solving many problems by creating surfaces that repel all
sorts of liquids.

Some one drawing water and my theater placed my hand under the spout. as the cool stream gushed over one hand she spelled into the other the word water , first slowly , then rapidly . i stood still ,my whole attention fixed upon the motions of her fingers . suddenly i felt misty consciousness as of soothing forgotten --a thrill of returning thought and somehow the mystery of language was revealed to me this passage from the stoyof my life is an wxample of which element of plotclimax action