some events might be birthday parties, school graduation, business meetings, and grand openings
Nothing is underlined so I can't help you, please comment what is underlined so I can help :)
Answer:
a study by researchers published on a university website
a book written by a scholar on the topic
Explanation:
These two resources come from credible professionals.
The four human practices that may lead to harmful effects to the environment are listed:
Wrong way of disposing the garbage.
Pollution due to vehicles, industries etc.
Noise pollution
Unhygienic surroundings
The above points lead to harming the environment in a negative way and are all caused by humans. There is although another aspect to this which is that these are under the control of human beings and can be minimized if there is a will to do so.
For more information on harmful effects to the environment click here:brainly.com/question/13840139#SPJ9
