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44 votes
44 votes
Which of these statements best describes the cause of this expansion?

A. Conductuion of heat from the mantle is expanding the crustal plates that hold the Alantic ocean
B. Convection within the mantle is bringing magma up to the crust in the middlw of the Atlantic Ocean,building new sea floor
C. As the crustal plates that hold the mainland of North America and Europe get older, they sink, causing the Atlanic Ocean to spread
D. At the mid-Atlantic Ridge, the crustal plates hold North America and Eurioe are colliding together, causing volcanic activivty and earthquakes
*I HAVE 6 DAYS UNTIL THIS IS DUE*

User Bhaskar Dhariyal
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2 Answers

29 votes
29 votes

Answer:

B. Convection within the mantle is bringing magma up to the crust in the middlw of the Atlantic Ocean,building new sea floor. Do you have mrs cogliati?

Step-by-step explanation:

i have it 4 mrs.cogliati

User De Wet Van As
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2.9k points
19 votes
19 votes
It gots to b bc I got it right.
User Stellarchariot
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