Which of these best summarizes this passage? A.
Wastage of food causes large-scale damage to the environment and also to precious resources. This includes labor, gasoline, water, fertilizers, land, and energy.
B.
"Wasted food" is food which is usually thrown away from cafeterias, restaurants, grocery stores, and food factories. People need to ensure that they are more cautious about wasting food.
C.
Stopping the wastage of food helps in more ways than one. For example, people can donate leftovers to various organizations that help to feed the poor and hungry.
D.
Wastage of good food is an environmental hazard that needs to be stopped. By using proper measures to stop wastage of good food, we can help save resources and the environment.

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