Match these items. 1. isostasy subduction 2. deepest ocean depths fjord 3. drowned glaciated valley trench 4. theory of crustal structure plate tectonics 5. oceanic plate going down buoyancy

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: