Answer:
Away from the ridge, where the sea floor is older and has more time to accumulate; also much thickest near continents
Explanation:
the word tectonic is refered to the tectonic plates in the earth. they cause all the earthquakes and they also create mountains in a way. and the earth is divided into 6 pieces
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
The correct answer is: Russia (although big parts of Russia are not in Eastern Europe but in Asia.
Russia has a huge territory which is generally very empty, especially in the North, where the conditions are harsh -there are only 150 million people in Russia, 10 million of which live in or near Moscow.