He meant that if they failed then everything that the world has worked so hard for, to advance and become "smarter" than we once were would all be for nothing. We would enter a new Dark Age. The Dark Ages were an extraordinarily difficult period in the story of humanity. It is estimated that 100 million people died at the hands of war, poverty, and plague. But during this time new ideas and ideals were born and much of the groundwork was laid for the world we know today.
Answer:
You can show positive attitude towards physical activities by having a goal for youself with motivation, doing regular work out rountine and just have fun
Answer:
B
Explanation:
Has "but" that makes a compound and "we" for the complex
Answer:
These are beautiful paintings!
Explanation: By addressing all of them your not singling out one thing which makes it indirect speech.
