Organisms use different types of adaptations to aid in their survival. one type of butterfly mimics a dead leaf to evade predators. what type of adaptation is this?
a. biochemical
b. ecological
c. structural
d. physiological

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.