Which is a causal connection by a physical process?

a. a teenager doing extra chores to earn money

b. a man developing bigger muscles from exercising

c. a woman getting a static shock walking on a rug

d. a child caught stealing a cookie from a cookie jar

Asap! : ( 20 points! cite textual evidence to support this analysis of the connection. a; he says that he chooses "to believe that there are insufficient finds in the great vaults of opportunity of this nation," so it shows that he has given up hope. b; he states, "so we've come to cash this check, a check that will give us upon demand the riches" of the nation for everyone. this proves that he wants government money to be equally shared. c; mlk explains that america should give african americans "a bad check, a check that has come back marked 'insufficient funds.'" d; he mentions that america wrote a bad check from freedom to african americans, but he states that he "refuses to belive that the bank of justice is bankrupt." he also states, "we've come to cash this or freedom and security of justice."

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What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.