Match each activity to the graph that illustrates its effect on a population.
a) decrease b) increase

1) habitat loss caused by volcanic eruption.
2) decreasing water pollution in an aquatic ecosystem.
3) desertification due to excess industrialization.
4) building national parks to conserve plants and animals.

would appreciate very highly if someone can me asap. you to anyone who can i hope you've had a good day or have a good day.

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! : )

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answer; answer; marginal cost;