Siegler's model of strategy applies a(n) perspective to children's cognition.

The answer is evolutionary perspective. An evolutionary perspective is a way of expressing a certain thought or information in means of considering the traits that will explain a more useful idea or information that is will be of benefit or advantageous. 

i bought a new phone

explanation:

i will send you the money when i get back from lunch

answer; deindustrialization led to move disposal facilities; (b);