Answer:
Question 1 what is the difference between 50ppm and 10ppm diesel engine and
“African wild dogs have a reputation as fierce hunters who work in teams, but new data suggests otherwise.”
Answer:
"This magnificent bridge was built despite the many doubts of the people of New York."
Explanation:
"The span was so long, the height so great, and the enterprise likely to be so costly, that few thought of it as something begun in earnest."
