Read the following text and write a sentence describing the main idea. scientists have found that 2014 was the hottest year ever on record. since 1880, average temperatures have increased by 1.4 degrees fahrenheit. most of the temperature increases have occurred over the past 30 years. this is the result of greenhouse gasses. experts do not expect the warming to slow down. some think 2015 could be another year of record heat.

The sentence describing the main idea would be

Greenhouse gasses over the years.

This paragraphs talks about the increasing temperatures that were registered over the past years and what experts think about the warming.

It also explains that in the future, 2015, there could be another year of record heat

Social Media most definitely changed the world. Social Media Platforms changed peoples goals, morals, expectations, and radiated what people wanted people to see. It’s used for anything from politics to everyday updates. It’s used to broadcast important events like rallies and voting stations, people learn more from social media than they do from the new nowadays because people tend to go on their phones way more. It transitioned us into modern participants and helps word get out no matter how big or small the matter is. Social Media around the world varies into millions of different sections like Instagram models and politicians like trumps twitter. Twitter comments and Instagram posts can even be taken to and used in court!