Which geologic event was responsible for adding the grenville province to north america approximately 1.2 billion years ago?

The formation of Rodinia was the geologic event responsible for adding the Grenville Province to North America approximately 1.2 billion years ago. Rodinia is the name given to a super continent that contained all the Earth's landmass at one point in history. It was formed around 1.2 billion years ago, and broke up 750 millions years ago.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

question 1: the kuwaiti government announced us$1.5 million in aid for rohingya refugees.they pointed out that it was imperative to take immediate and concrete steps to ramp up pressure on myanmar to put an end to the violence.and said   that they r just shameful

question 2: the rohingyas were not aloud to be seen as people in myanmar.in the last few years, before the latest crisis, thousands of rohingya were making perilous journeys out of myanmar to escape communal violence or alleged abuses by the security forces.the latest exodus began on 25 august 2017 after rohingya arsa militants launched deadly attacks on more than 30 police posts.rohingyas arriving in an area known as cox's bazaar - a district in bangladesh - say they fled after troops, backed by local buddhist mobs, responded by burning their villages and attacking and killing civilians.