Answer:
3
Explanation:
Because it makes more sense
The correct answer should be Leonardo did not intend for his inventions to do harm.
I saw on the Internet that B and D are incorrect, so we have to choose between A and C. A is also incorrect because Leonardo had much greater plans for his inventions that simply to investigate the properties of snow. This leaves us with C as the correct answer - he wanted to advance science, rather than create a bad invention.
There are a lot of ways . Try picking up a hobby or sport that will take up a lot of your time. Working and reading can get you out of your head as well :)