Given a scientific question, generate a correct answer to it.

[Q]: How is the chance of survival affected when animals lack parental care?
[A]: decreased


[Q]: What kind of interference is observed when the paths differ by a whole wavelength, and the waves arrive in phase?
[A]: constructive interference


[Q]: What are required when the damage from trauma or infection cannot be closed with sutures or staples?
[A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
skin grafts


