[AP Human Geography] What motivates technological change in agriculture? No rush, just need a little help on some homework. Its an open ended question so I just need some ideas on how to form my answer! Thanks :)

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.

Lost with this question (ap psych) 1. kaylee has a phobia. she is so afraid of spiders and insects that she avoids most outdoor activities and even refuses to go in the basement of her own house alone. provide a reason for her behavior from each of the two perspectives: learning biological/evolutionary 2. cecil is a college student who has ocd. even though his apartment is spotless, he is extremely nervous because his girlfriend is visiting his home for the first time. he is now preoccupied with thoughts that the germs in his apartment will make his girlfriend sick. in order to reduce his anxiety, he is now counting his heartbeats aloud as he washes his hands. provide a reason for his behavior from each of the three perspectives: learning biological/evolutionary psychoanalytical

What are the properties of the founder effect? a. adaptive, may be gradual or dramatic depending on the situation b. non adaptive, gradual c. adaptive, gradual d. non adaptive, random e. adaptive, dramatic