Which cation could be incorrectly identified by a false positive in this step? What would cause the false positive and why? Which other cation could be erroneously present in the sample at this step that would cause the false positive response? On a molecular level what chemical compounds can form in that step that would lead to the false positive? Why/how would it be possible for that cation to be present in that specific sample/test tube?)

Hurry ! between 1900 and 2010, how did the world’s population change? a. it increased from about 1.5 billion to almost 7 billion. b. it decreased from about 7 billion to about 1 billion. c. it increased from about 5 billion to about 7 billion. d. it decreased from about 7 billion to about 1.5 billion.

Read this cover letter: dear sir or madam: i am responding to your ad seeking data managers. i feel i am highly qualified for the position and have a great deal of relevant experience. i have managed the bookkeeping data for a local volunteer organization for several years. they couldn't get rid of me; i loved the job so much! i can provide several references attesting to my punctuality, bookkeeping abilities, and reliability. i look forward to your response. best wishes, john smith what is one of the weaknesses of this cover letter? a. it overstates the candidate's qualifications. b. it makes an attempt at humor. c. it provides irrelevant information. d. it makes the candidate appear selfish.

In the 1950s and 1960s, chief justice earl warren was a strong advocate for?