The MSDS for sodium hydroxide gives it a health rating of 3, a flammability rating of O, and a reactivity rating of 1. According to the MSDS, which best describes sodium hydroxide?

A. highly corrosive but not highly flammable
B. highly reactive and corrosive
C. highly flammable but not highly corrosive
D. not highly reactive or corrosive

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.