I NEED HELP 1.What are three ways the ability to copy DNA has changed our world?
2.How can personal DNA machines save human lives?
3. If you had access to a personal DNA machine, what would you analyze and why?

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

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.