One of the idea to stimulate audience in your presentation is to open with an amusing observation about the subject matter. About the interest are content topics that show interests of a property's users based on their browsing behavior.
I believe its false. You should pick up debris no matter if anyone notices or not.
C. Different government bodies check one another’s powers.
By the end of the 18th century, Britain was the most advanced country in
Europe. The 19th century saw the spread of the Industrial Revolution.
Other European countries acquired the tools and skills needed to
revolutionise their economies. The United States also underwent an
industrial revolution in the 19th century.