Andes mountains split Greece creating city states such as Sparta and Athens
John Adams was the one who passed the Alien and Sedition Acts which punishes those who opposed the federal policies. However, Thomas Jefferson felt that these acts defy both the Constitution and the Bill of Rights. So he proposed the Nullification doctrine which states that if the federal government passed an unconstitutional law, the states are not required to follow it.
The answer is C your achievement
The correct answer is: "social media has become an important tool in presidential campaigns".
The graph shows the number of related Tweets (measured in millons) that were published online during the 2009 and the 2012 presidential campaigns in the US. The figure has grown from 10 million Tweets in 2009, to over 30 million in 2012. If using this figure as a benchmark to measure the influence of social media, it can be claimed that it has grown a 200%.
Yes, air is matter since it is made up of several different physical elements such as oxygen and nitrogen, although some of air (empty space) is not matter in the sense that it is made up of physical properties.