Answer:
Although the terms "climate change" and "global warming" are sometimes used interchangeably, they have different meanings. Similarly, the terms "weather" and "climate" are sometimes used interchangeably, despite the fact that they refer to events with vastly distinct spatial and temporal scales.
C
a comma is needed both before and after OUR TOUR GUIDE
Answer:
The children in the district are so poor and some of them so pathetic that I suppose the struggle to live has been so great you could not think much about what you fed the mind, but I came away feeling that right there, in one of the biggest and richest states in the country, we had a big area that needed books and needed libraries to help these schools in the education of the children, and, even more, to help the whole community to learn to live through their minds.