Nitrogen-fixing bacteria live in protective nodules (bumps) on the roots of some plants. these bacteria are able to convert gaseous nitrogen from the air into a form of nitrogen that the plants can use. which type of relationship is this? a. mutualism b. predation c. commensalism d. parasitism i think it is a or b
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
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In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
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Nitrogen-fixing bacteria live in protective nodules (bumps) on the roots of some plants. these bacte...
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