Explain why the allergic reaction to allergen in a susceptible individual is so quick/immediate

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The grooves or folds of the brain are called

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough