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→‎Scientific reasons: Abbreviated references.
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# '''Not enough mud on the sea floor.'''
 
# '''Not enough mud on the sea floor.'''
 
#:"Each year, water and winds erode about 20 billion tons of dirt and rock from the continents and deposit it in the ocean.6 This material accumulates as loose sediment on the hard basaltic (lava-formed) rock of the ocean floor. The average depth of all the sediment in the whole ocean is less than 400 meters.7 The main way known to remove the sediment from the ocean floor is by plate tectonic subduction. That is, sea floor slides slowly (a few cm/year) beneath the continents, taking some sediment with it. According to secular scientific literature, that process presently removes only 1 billion tons per year.7 As far as anyone knows, the other 19 billion tons per year simply accumulate. At that rate, erosion would deposit the present mass of sediment in less than '''12 million years'''. Yet according to evolutionary theory, erosion and plate subduction have been going on as long as the oceans have existed, an alleged ''three billion years''. If that were so, the rates above imply that the oceans would be massively choked with sediment dozens of kilometers deep. An alternative (creationist) explanation is that erosion from the waters of the Genesis flood running off the continents deposited the present amount of sediment within a short time '''about 5,000 years ago'''."<ref name="icrye" /> (some emphasis added, but not all)
 
#:"Each year, water and winds erode about 20 billion tons of dirt and rock from the continents and deposit it in the ocean.6 This material accumulates as loose sediment on the hard basaltic (lava-formed) rock of the ocean floor. The average depth of all the sediment in the whole ocean is less than 400 meters.7 The main way known to remove the sediment from the ocean floor is by plate tectonic subduction. That is, sea floor slides slowly (a few cm/year) beneath the continents, taking some sediment with it. According to secular scientific literature, that process presently removes only 1 billion tons per year.7 As far as anyone knows, the other 19 billion tons per year simply accumulate. At that rate, erosion would deposit the present mass of sediment in less than '''12 million years'''. Yet according to evolutionary theory, erosion and plate subduction have been going on as long as the oceans have existed, an alleged ''three billion years''. If that were so, the rates above imply that the oceans would be massively choked with sediment dozens of kilometers deep. An alternative (creationist) explanation is that erosion from the waters of the Genesis flood running off the continents deposited the present amount of sediment within a short time '''about 5,000 years ago'''."<ref name="icrye" /> (some emphasis added, but not all)
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#:"Present erosion rate could produce all the existing ocean sediment in only 15 million years."<ref name="nwcn" /><ref>Morris, J. D. 1994. The Young Earth. Master Books. pp. 90.</ref>
+
#:"Present erosion rate could produce all the existing ocean sediment in only 15 million years."<ref name="nwcn" /><ref>Morris, 1994, p.90.</ref>
 
# '''Not enough sodium in the sea.'''
 
# '''Not enough sodium in the sea.'''
 
#:"Every year, rivers8 and other sources9 dump over 450 million tons of sodium into the ocean. Only 27% of this sodium manages to get back out of the sea each year.9,10 As far as anyone knows, the remainder simply accumulates in the ocean. If the sea had no sodium to start with, it would have accumulated its present amount in less than 42 million years at today's input and output rates.10 This is much less than the evolutionary age of the ocean, ''three billion years''. The usual reply to this discrepancy is that past sodium inputs must have been less and outputs greater. However, calculations that are as generous as possible to evolutionary scenarios still give a maximum age of only '''62 million years'''.10 Calculations11 for many other seawater elements give much younger ages for the ocean."<ref name="icrye" />
 
#:"Every year, rivers8 and other sources9 dump over 450 million tons of sodium into the ocean. Only 27% of this sodium manages to get back out of the sea each year.9,10 As far as anyone knows, the remainder simply accumulates in the ocean. If the sea had no sodium to start with, it would have accumulated its present amount in less than 42 million years at today's input and output rates.10 This is much less than the evolutionary age of the ocean, ''three billion years''. The usual reply to this discrepancy is that past sodium inputs must have been less and outputs greater. However, calculations that are as generous as possible to evolutionary scenarios still give a maximum age of only '''62 million years'''.10 Calculations11 for many other seawater elements give much younger ages for the ocean."<ref name="icrye" />
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#:"Robert Gentry's work showed that the Earth's granite was never in a molten condition, because polonium halos survive only in solid rock and the half-life of polonium is much too short to survive a multimillion-year cooling time. His results seem to indicate that the Earth was created instantaneously, in a cool condition. If true, it is clear evidence for creation and a young earth."<ref name="nwcn" />
 
#:"Robert Gentry's work showed that the Earth's granite was never in a molten condition, because polonium halos survive only in solid rock and the half-life of polonium is much too short to survive a multimillion-year cooling time. His results seem to indicate that the Earth was created instantaneously, in a cool condition. If true, it is clear evidence for creation and a young earth."<ref name="nwcn" />
 
# '''Human population growth'''
 
# '''Human population growth'''
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#:"If humans had been around more than a few thousand years, they would have populated the earth more quickly."<ref name="nwcn" /><ref>Morris, J. D. 1994. ''The Young Earth''. Master Books. pp. 70-71.</ref>
+
#:"If humans had been around more than a few thousand years, they would have populated the earth more quickly."<ref name="nwcn" /><ref>Morris, 1994, pp. 70-71.</ref>
 
# '''Rapid Oil Formation'''
 
# '''Rapid Oil Formation'''
 
#:"It has been claimed that oil was formed over 100 millions of years from organic remains, but recent experiments have shown that oil can be produced under the right conditions in a matter of minutes."<ref name="nwcn" />
 
#:"It has been claimed that oil was formed over 100 millions of years from organic remains, but recent experiments have shown that oil can be produced under the right conditions in a matter of minutes."<ref name="nwcn" />
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#:"Tree rings, including rings on petrified forest trees, can't be traced back more than some thousands of years."<ref name="nwcn" /><ref>Morris, H. M. 1961. The Genesis Flood. pp. 392-393.</ref>
 
#:"Tree rings, including rings on petrified forest trees, can't be traced back more than some thousands of years."<ref name="nwcn" /><ref>Morris, H. M. 1961. The Genesis Flood. pp. 392-393.</ref>
 
# '''Only recently known civilizations'''
 
# '''Only recently known civilizations'''
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#:"Earliest known civilizations are only a few thousand years old."<ref name="nwcn" /><ref>Morris, J. D. 1994. The Young Earth. Master Books. pp. 70.</ref>
+
#:"Earliest known civilizations are only a few thousand years old."<ref name="nwcn" /><ref>Morris, 1994, p. 70.</ref>
 
# '''Niagara falls'''
 
# '''Niagara falls'''
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#:"Erosion of the system indicates it is only a few thousand years old."<ref name="nwcn" /><ref>Morris, J. D. 1994. The Young Earth. Master Books. pp. 48-49.</ref>
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#:"Erosion of the system indicates it is only a few thousand years old."<ref name="nwcn" /><ref>Morris, 1994, pp. 48-49.</ref>
 
# '''Mississippi river delta'''
 
# '''Mississippi river delta'''
 
#:"Erosion rate and amount of sediment accumulated indicate that it is only a few thousand years old."<ref name="nwcn" /><ref>Mehlert, A. W. "Another Look at the Age and History of the Mississippi River." pp. 121-123. Creation Research Society Quarterly, December 1988.</ref>
 
#:"Erosion rate and amount of sediment accumulated indicate that it is only a few thousand years old."<ref name="nwcn" /><ref>Mehlert, A. W. "Another Look at the Age and History of the Mississippi River." pp. 121-123. Creation Research Society Quarterly, December 1988.</ref>
 
# '''Lack of equilibrium of Carbon-14/Carbon-12 ratio'''
 
# '''Lack of equilibrium of Carbon-14/Carbon-12 ratio'''
−
#:"This ratio should reach equilibrium in the atmosphere in only some thousands of years, but it hasn't reached that point yet."<ref name="nwcn" /><ref>Morris, J. D. 1994. The Young Earth. Master Books. pp. 73-74.</ref>
+
#:"This ratio should reach equilibrium in the atmosphere in only some thousands of years, but it hasn't reached that point yet."<ref name="nwcn" /><ref>Morris, 1994, pp. 73-74.</ref>
 
# '''Erosion rate of the continents'''
 
# '''Erosion rate of the continents'''
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#:"Continental mass divided by erosion rate would wash all the continents into the ocean in about 14 million years."<ref name="nwcn" /><ref>Morris, J. D. 1994. The Young Earth. Master Books. pp. 88-90.</ref>
+
#:"Continental mass divided by erosion rate would wash all the continents into the ocean in about 14 million years."<ref name="nwcn" /><ref>Morris, 1994, pp. 88-90.</ref>
    
==Theological reasons==
 
==Theological reasons==
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