Aperson touches a hot surface with his hand and his hand springs back which two systems are operating

Based on the cause-and-effect relationship in this sentence, what is the meaning of the word revert? the brownies kali made using a new recipe were too dry, so she reverted to her original recipe. a) to alter or change completely; revise b) to dispose of or remove; to throw away c) to prepare for something; assemble or make d) to go back to a previous state or practice

What is the message? how does langston hughes convey the message in this poem?

2points how is the information in the "during" section of the "volcanoes" page organized?