Exam Answer To understand why “has experienced” is the correct answer, we need to understand the grammar rules and concepts involved in this sentence structure. The sentence is written in…
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Environment
Innovative Self-Heating Concrete Could Revolutionize Winter Road Maintenance
by lessstudyby lessstudy 6 minutes readImagine never having to shovel or salt your driveway again! Researchers have created a special concrete that can melt snow and ice on its own. This concrete contains a material…
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