Which biome would you not find trees or deep-rooted plants in?

In this unit we learned about arguments and

Which detail from the text best demonstrates the effect of totalitarianism on the animals? "progress was made in the dry frosty weather that followed." "it had been decided to build the walls three feet thick." "they were always cold, and usually hungry as well." "for a long time the quarry was full of snowdrifts and nothing could be done."

What do you think is the greatest invention that you use today? explain in 4 sentences