Please help me answer the following questions by watching an engineering video and answering the questions in complete sentences as you go. Video: What does an environmental engineer do? - Careers in Science and Engineering by National Science Foundation

Questions:

Based on the video, what kind of locations do Environmental Engineers work? Offices, laboratory etc

How many hours a week does an Environmental Engineer work? If they are working 5 days a week, how many hours is that per day?

What kinds of school subjects do you need to practice to be an Environmental Engineer?

What level of school do you need to reach to be an Environmental Engineer?
Bonus: How many more years of school would you need to reach that?

Outside Research: What is an environmental issue that affects Los Angeles? Why is that a bad thing? Is there anything you can do to help?

Acommercial grade cubical freezer, 4 m on a side, has a composite wall consisting of an exterior sheet of 5.0-mm thick plain carbon steel (kst= 60.5 w/m k), an intermediate layer of 100-mm thick polyurethane insulation (kins 0.02 w/m k), and an inner sheet of 5.0- mm thick aluminium alloy (kal polyurethane insulation and both metallic sheets are each characterized by a thermal contact resistance of r 2.5 x 104 m2 k/w. (a) what is the steady-state cooling load that must be maintained by the refrigerator under conditions for which the outer and inner surface temperatures are 25°c and -5°c, respectively? (b) for power saving purpose, which wall material should be increased/reduced in. thickness in order to reduce 50% of the cooling load found in part (a)? redesign the thickness of the proposed material. 177 w/m-k). adhesive interfaces between the q=575.93 w