What is the central idea of A changing student body

Need the answer asap! read the sentence from the declaration of independence. which idea does this sentence best to develop ? that whenever any form of government becomes destructive of those ends, it is the right of the people to alter or abolish it, and to institute new government a) governments ultimately have the power to determine what rights the people have. b) revolting against the government should not be taken lightly. c) the colonists should seperate from great britain and create their own government. d) it is self evident that people have inalienable rights

What does it appear that the speaker of the poem wants to do? caged bird by alicia keys question options: sing be adored by fans be set free from public scrutiny be shared with the whole world

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes