Josh cannot remember his previous girlfriend's phone number because he is now frequently calling a new girlfriend. he also has trouble remembering the phone number for the new pizza delivery around the corner because he keeps recalling the phone number of the pizza delivery company located near his previous girlfriend's home. josh's inability to remember his previous girlfriend's phone number is likely due to interference, and his inability to remember the new pizza delivery phone number is likely due to interference.

retroactive;proactive

Explanation:

Generally, interference is of two types:

1. Retroactive interference.

2. Proactive interference.

Retroactive interference: The retroactive interference plays an important role in memory as it restrains the capability of old information by new information. It holds back a person to remember old memories because of the presence of new memories.

Proactive interference: The term proactive interference is defined as the inability to remember new information because of the presence of old information. It holds back a person to form new memories because of the presence of old information.

Josh's inability to remember his previous girlfriend's phone number is likely due to retroactive interference, and his inability to remember the new pizza delivery phone number is likely due to proactive interference.

the answer there would be genocide.