Advancements in technology include the development of new or better processes, techniques, equipment, and systems. Which is a technological advance involving geneticists?
O alteration of DNA to control crop development
O creation of vaccinations for diseases, such as polio
O invention of diagnostic imaging equipment
O establishment of the Environmental Protection Agency (EPA)

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.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.