3. O-O plate divergence

Question 1

1.

Answer 1

two oceanic plates diverge –> fractures formed at plate boundary

Question 2

2.

Answer 2

magma rises at zone of divergence –> create ridge of new oceanic floor (mid oceanic ridge)

Question 3

3.

Answer 3

various points along mid-oceanic ridge –> magma builds up & solidifies to form undersea volcanoes –> grow above sea level (volcanic island)

Question 4

e.g.

Answer 4

Mid Atlantic Oceanic Ridge, North American Plate & Eurasian Plate