Science applied to practical problems (Apex)
One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.
It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.
Scientific theories can be rejected by new reliable evidence.
they share some of the same matter.
how much pesticide is safe to use on plants
what is the effect of pesticides on the environment
how much energy does it take to make a paper bag
boats leaking oil into the river
Technology
The treated couch is the experimental.
Helium Atoms are produced