environmental engineering 19

I have an assignment in Environmental Engineering which course in civil engineering.

I post all questions in the files

First thing ask you to do problem 6.2, 6.4, and 6.5 ( plot the graphs using graph/ engineering paper and excel, find k using have calculation and Excel

I post the pics of all these problems in the files

this the first thing in the assignment and there are 7 more questions which is in the paper that I post it.

It is including the Bonus question, please do all the 6 question and the bonus.

There are many of my friends who use study pool and many of them in my class, please make sure it is private work.

if there is anything not clear, please ask me.