Which substance is acting as the brønsted-lowry acid in the following chemical reaction? nh4 + oh- yields nh3 + h2o

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning

What type of energy conversion occurs when you place your feet near the fire place and they become warm