Read the paragraph below and choose the best option indicating what 'their refers to . Due to the decreasing amount of fossil fuels, and the increase in their price for governments and consumers, Charles Darwin's express WOuld perfectly suit the ongoing competition for the remaining fossil fuels by powerful and wealthier countries. Many leading economically and politically in weaker and poorer economies for their rich ground on fossil fuels. But what are fossil fuels?

1)powerful and wealthier countries

2)many leading countries

3)weaker and poorer economies

4)fossil fuels

In the play "sorry wrong number"which part of the story can you find heightened tension and suspense?

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

From the earth is precious, what is the best definition for the word “exempt”? question 3 options: a) none of these are correct b) a restraint forcing one to stay in place c) a strategy to leave a place or location d) free or excepted from something expected of others