The word "niche" is pronounced most like nitch (like witch)
neesh (like quiche)
nish (like fish)
neech (like beach)

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood

What enzyme is most important for dna replication and why?