J. J. Thomson's plum pudding model of the atom contained all BUT one of these features. That is

brown

explanation:

1.the evidene of the reaction

2.yes

3.yes

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.