Respuesta :
A. Burning fossil fuels
C. establishing state parks
E. using renewable energy sources
Using renewable energy sources is the only action that have a positive impact on the environment
Having a positive impact on the environment basically means actions that are contributing to the growth of the ecosystem without having to damage any part of it.
• The burning of fossil fuels known as crude oil component releases large carbon-dioxide into the atmosphere. This leave the atmosphere toxic and changes the climate.
• Cutting down of tree also affect the environment because the green part of the earth providing fresh air to the atmosphere is been cut down for other purpose contributing to the decline of the environment.
• Releasing of waste water into the ocean have a massive negative effect on the ocean animals. Some waste are so toxic and destroy the living things in the water.
• Using of renewable energy sources like solar energy and wind energy are carbon free and are very efficient as well. The sources of this energy are always available as it is been provided by the nature, So, this action have a positive impact on the environment at large.
Learn more about renewable energy sources here https://brainly.com/question/2405041