The answer is "proactive interference".
When there is an interaction between the material you newly learned and the past behavior, material you learned in the past that causes disturbance in recovery of memories, this is referred to an interference. On the basis of that disturbance, interference is divided into two types or categories that are: Proactive Interference
Retroactive Interference
Mostly English political philosophy, like John Locke.
Although citizens cannot legally vote until a certain age, D is also true. The answer is most likely D) Citizens are free to join whatever political party they want.
1. A Volcano's are very destructive and they will cause places to be uninhabitable for days.
2. B Decreasing pollution from water will allow more aquatic life to live on and be safe to swim in the water. As well as provide food for fishers/other fish that hunt in the water without risk of sickness.
3. A Industrialization can cause air pollution and other things that can kill birds as well as decrease land value. It harms the soil/air causing animals to leave or humans to be less attracted to the area.
4. B National Parks are made to preserve wild life and nurture it. Of course this one will Increase population by providing wild life a safe place to grow and prosper. It also is pretty cool to go see nature in all its beauty!
Hope this helped! : )
