Question

Who is Barack Obama?​

Answer 1

Answer:

Barack Hussein Obama II is an American politician who served as the 44th President of the United States from January 20, 2009, to January 20, 2017. A member of the Democratic Party, he was the first African American to be elected to the presidency and previously served as a United States Senator from Illinois. 

Answer 2

Answer:

am

Explanation:

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low