Sulfate is of concern because wastewater from various industries often contains a lot of sulfate, which could then makes its way into nearby water bodies and then into nearby soil. in 1973 the minnesota pollution control agency set a limit for discharge water sulfate levels to protect the health of the environment. which of minnesota's staples is most vulnerable to sulfate levels?

Select the correct answer. read this excerpt from incidents in the life of a slave girl by harriet ann jacobs: among the ladies who were acquainted with my grandmother, was one who had known her from childhood, and always been very friendly to her. she had also known my mother and her children, and felt interested for them. at this crisis of affairs she called to see my grandmother, as she not unfrequently did. she observed the sad and troubled expression of her face, and asked if she knew where linda was, and whether she was safe. my grandmother shook her head, without answering. "come, aunt martha," said the kind lady, "tell me all about it. perhaps i can do something to you." which of these important concepts uncommon to abolitionist literature does jacobs depict in the excerpt? 1. some kind white characters were included in slave narratives so that northerners would not be offended. 2. southern society was complex and diverse with both good and bad people unlike northern stereotypes showed. 3. many kind slave owners and their slaves developed deep friendships. 4. most whites and blacks lived in harmony in the south and made efforts to each other. a. 1 and 4 b. 1 and 3 c. 1 and 2 d. 2 and 3

What is the narrators main conflict in this passage

Read this excerpt from i never had it made. "it's all that ought to count," he replied. "but it isn't. maybe one of these days it will be all that counts. that is one of the reasons i've got you here, robinson. if you're a good enough man, we can make this a start in the right direction. but let me tell you, it's going to take an awful lot of courage." he was back to the crossroads question that made me start to get angry minutes earlier. he asked it slowly and with great care. "have you got the guts to play the game no matter what happens? " "i think i can play the game, mr. rickey," i said. the next few minutes were tough. branch rickey had to make absolutely sure that i knew what i would face. beanballs would be thrown at me. i would be called the kind of names which would hurt and infuriate any man. i would be physically attacked. could i take all of this and control my temper, remain steadfastly loyal to our ultimate aim? which is the central idea of this excerpt?