<span>"Water in which the armor of the Incan empire’s conquistadors has not rusted", implies that the waters of Lake Titicaca have a special property. Metal rusts when exposed to normal water, yet the armor has been in the lake ("entombed[...] in its profound vase") for centuries, and has not rusted. The waters must have special powers.</span>
Answer:
1. Because it was hot, we drank lots of water.
2. As night approached, it became harder to see.
Answer: As powerful tool for learning but also a dangerous one
Explanation: I couldn't find the text that is missing in your question and what the author was introducing.
I would write something helpful about teaching televisions in the classroom and possible debates that can refer to it.
When we are talking about television, we are also considering influence of the media and the aspects on it. It can have many educational advantages but also it can have a lot of negative effects and that is where the debate starts. This problem is also explained in the article "The Good Things about Television"(maybe this is the article that is missing in your question). In this article it is described as a powerful tool in classroom but it must be used smart and wisely.
Television in classroom can help a lot but it is dangerous because many people are thinking that something bad can easily affect children.
Many debates are considering people that are thinking that television in classroom will stop children from reading books and being creative.