Asked by mel
Please help me with this. I just don't get it.
The average rate of chemical weathering of carbonate rock in an urban area is 2.1 x 10^-3 mm/yr. The depth of lettering of the tombstones shown in the table below was measured in 2010:
Date on Tombstone Age (yr)
1910 100
1921 89
1948 62
1958 52
1975 35
How much has the depth of the lettering been reduced on each tombstone?
The average rate of chemical weathering of carbonate rock in an urban area is 2.1 x 10^-3 mm/yr. The depth of lettering of the tombstones shown in the table below was measured in 2010:
Date on Tombstone Age (yr)
1910 100
1921 89
1948 62
1958 52
1975 35
How much has the depth of the lettering been reduced on each tombstone?
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