Cold case units/departments.
A cold case is any criminal investigation by a law enforcement agency that has not been solved for (generally) at least one year and, as a result, has been closed from further regular investigations.
Cold case units reexamine these closed cases and try to solve them.
The correct option is D.
Twitter is an online news and social networking website, where communication takes place in form of tweets. Tweets can only be 280 characters long.
For those people who are using twitter, a direct message can be used to send a private message to someone about their tweet or other relevant issues. In order to be able to receive direct messages from anyone, one has to has to activate the option of receiving direct messages from anyone.
Answer:
Territorial expansion of Russia
Explanation:
The territorial expansion of Russia began from 1500 with military conquest and by ideological and political unions in over five centuries until 1900. Expansion of Russia began from Khanate of Kazan in 1552 by Ivan the Terrible. In the late 18th century, Russia conquest Siberia. Territories from the Ottoman Empire and Poland took during the reign of Catherine the Great. Some of the other areas that add under the empire were Alaska, Eastern-Georgia, Azerbaijan, Armenia, Kazakhstan, Uzbekistan etc.
Answer: Diesel particulate filters
Explanation: Is designed to remove diesel particles or soot from the exhaust gases of a diesel engine.
Functional age.
Functional age is the idea that perhaps a "with it" 80 year old might be still able to work while some 55-year olds might not. Simply looking at both candidates through the lens of chronological age would not account for the differences in functional ability.
