Wow...asking for wayyy too much
Answer: yes but dangerous
Explanation: some people on the internet can find your address and stalk you. And you don't know them so you have to but you have to build a relationship with them
Answer:
The cause will be an action someone did or didn't do and the effect would be the somewhat like the karma that happens.
Example:
I didn't water the plant's (cause) so the plants died (Effect)