What was the most important advantage that You. Tube gave the Obama campaign during the 2008 election? A.
It was free advertising for the campaign.
B.
The campaign controlled all content shown on the site.
C.
The site could be easily shut down after the election.
D.
Obama had an exclusive relationship with the site, preventing his rivals from using its services.

well A and C doesn't sound right so its B if it's wrong probably D

this dog won't leave me alone XD

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.