Suggest how the exhaled air of a lactose-intolerant person could have raised levels of hydrogen gas after ingesting 50 g of lactose in a drink.

Name the type of chemical that speeds up digestion

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.