Question: 1 one common use of foams is that of seat...
1) One common use of foams is that of seat cushions, the reason that foam is used instead of other materials is because of the foam's ability to
A) absorb energy b) reduce friction c) reduce vibration d) insulate
2) Adhesion to polyolefins is often discouraged because of
A) low surface energy b)lack of pendant groups c) low carbon content d) low density