Well, the main problem of human activity is probably tourism, as climbers are leaving oxygen tanks, water bottles and food cans just about everywhere. Many people agree that Mount Everest was in a much healthier state before all the climbers came. After all, thousands of feet treading on the footpaths can't be good, can it?
If you want more information, you can visit this website:
http://adventure.howstuffworks.com/outdoor-activities/climbing/mt-everest-tourism2.htm
External Enviroment is how ones surroundings affect the area around them. Which includes businesses, human beings, and the external area around them.
Factories affect human beings by the smoke coming from it.
The environment is commonly affected by the people (or other beings) around it, manipulating it in various ways (socially, physically). Some of these ways are memorized by said child, and are a potential determining factor on the limitations set forth and learned by the child, which can affect said child's feelings and ultimately their personality.
they are not harmful to the environment
They might, they might not. They don't exist, so we don't know whether they affect human beings, and, if they do, how they affect human beings.
Environmental problems are typically problems that affect the environment in a negative aspect. These problems are brought on by human beings. An example of an environmental problem is pollution.
they pee on it
environment
Nazar waves, also known as negative energy or evil eye, are believed to have a negative impact on the surrounding environment and living beings. It is thought that these waves can cause harm, illness, or misfortune to those affected by them. People often use protective talismans or rituals to ward off the effects of nazar waves.
This difference could be succinctly described as those things that human beings didn't make (the environment) and those things that human beings did make (technology).
I dont know, I'm not a expert
Human beings who needed to change the environment as part of the settlement process.