An antagonist is a character, group of characters, institution or concept that stands in or represents opposition against which the protagonist(s) must contend. In other words, an antagonist is a person or a group of people who opposes a protagonist.
Answer:
With this, we can also achieve reduced waste production. Apart from the clearly known sources of pollution, recent times have also seen the negative effects of chemicals, pesticides, radioactive wastes. There are growing concerns about Ozone depletion, global warming, greenhouse effect and climate change.
d. Empiricism
As empiricism is basically an experience derived from senses. So here through the text we can see that empiricism is very evident.