The two skills are understanding blueprints an technical documents and using specialized tools to test products.
It is D & E. Uranus is Helium & Hydrogen, And it has dark rings
Answer:
c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving
I believe it's aerobic exercise.