Is this correct? Please help me its due in 20 minutes

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?