Answer:
Rising global temperatures
Explanation:
Obviously not the two options in between because its contrast and rising air pollution is not a part of climate change.
An electronic communication that is usually written by a single author and devoted to a single subject is option C) “Internet weblogs”. Weblogs are posts or entries published on the internet. They are told by a single person and cover one topic.
Option A is incorrect since radio broadcasts are radio waves transmissions targeted to wide audiences, they can be transmitted by several people simultaneously in a radio program and during this program several topics can be discussed, usually with the active participation of the audience.
Option B is also incorrect as a TV show usually has many participants and several topics are discussed.
And finally option D is also incorrect since magazines usually cover several topics in their articles and these articles are written by different authors.
Whether or not they sank or floated when tied down and thrown in the water
Along with independence from Britain, Thomas Paine proposed that the colonies take advantage of the massive amount of natural resources and untapped land to the west, so that they could expand their power and influence.
