Please help!! Can you figure out the modern spreading rate of the Mid- Atlantic ridge? Use that line to figure out how many kilometers a plate moved from the spreading boundary in a set number of years. Convert that rate to the distance a point moves in just one year, rounding your answer to the nearest millimeter.

R = 16mm/y  

Explanation:

Modern Spreading Rate (R) = distance the seafloor moved in km (d) / age in million years (t)

R = d/t  

To calculate it in millimeters per year we need to convert it:

1 km = 1000 m  

1 m = 100 cm

1cm = 10mm

1 km = 1,000,000 mm  

The problem states that in 150 million years, there is a distance of 2400 km.

if 1 km 1,000,000 mm

2400 kmX = 2400,000,000 mm

If 1 million years 1,000,000 years

150 myX = 150,000,000 years

R = d/t

R = 2400,000,000 mm/150,000,000 y.

R = 16mm/y  

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