The mass media is the primary means of communication and is used to reach vast majority of people and most common way to each the masses is through the newspaper and the television and nowadays internet has become as one of the most common mediums of the spread of the viral messages and media is making heavy use of this technology.
According to National Geographic, the maximum displacement along the fault between the two tectonic plates during the magnitude 9 earthquake in Japan was 164 feet (50 meters).
1. Hadean eon --- a. formation of the solar system
2. Archean eon --- c. toxic atmosphere; first bacteria
3. Proterozoic eon ---- d. buildup of oxygen; first eukaryote
4. Phanerozoic eon. --- b. current eon
Explanation:
The Hadean Eon represents the formation of the planet that is time before the reliable fossilized record of the life and ended about 4.0 billion years ago. The Archean eon is characterized by the toxic atmosphere and the arrival of the first single-celled organism as bacterial life forms.
The current era dates to the geologic formation of the Phanerozoic eon and covers about 542 million years and the Proterozoic era was the formation of the first oxygen molecules and first Eukaryota.
