Agricultural Technology developed alongside the farming and agricultural industry- hope this helps!
D. A speech should never be excessively reliant on a single source. While multiple sources make a speech stronger and gets the point across better, it's also not a good thing to overly rely on support. Your own ideas are needed, too.
Stage 2 of pre-conventional development
Pre-conventional development is the area of development when someone is self-concerned. Stage 1 is when there is no difference between the right thing and not getting punished, so it has to be stage 2 of pre-conventional development.