First turn 18% to a decimal, which is .18, then multiply it by 450.
450 x .18 = 81
Ferromagnesian vs. non-ferromagnesian
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1-Contains Magnesium and Iron 1- Contains little or no Magnesium &
as major components Iron
2- Color: very dark 2- Color: Generally lighter
3- Density relatively high 3- Density relatively low
Answer:
A cannot be accurately measured
St. John's is the capital of Antigua and Barbuda
