Space science: ordering the parts of space by size. Just need to check answers

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers?

The map above shows the countries of the middle east. which number on the map shows the location of iraq? a. 1 b. 2 c. 3 d. 4

Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?