Look at this sample of wood. Based on the grain, was this wood likely cut as flat sawn or quarter sawn?
What is the most significant issue to cause deterioration of wood?
Quarter Sawn and Flat Sawn
Wood that is quarter sawn is more resistant to deformation as it dries that flat sawn wood.
Hardwoods vs Softwoods
The principle difference between hardwoods and softwoods is the hardness of the wood, as determined by the Janka Hardness Test.