I know this is werid but umif anyone knows blackboard how do you change you picture with a MacBook Air

On your Mac, choose Apple menu > System Preferences, then click Users & Groups. Open Users & Groups preferences for me.

Click the lock icon to unlock it.

Enter an administrator name and password. ...

Select the user account on the left, then click the picture on the right. ...

Do one of the following: ...

Adjust the picture.

Explanation:

competition i thin

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.