Your answer would be D, because these are all relating to how the actions of the scientists will affect the environment and/or organisms.
Ethanol has been shown to slow down the body's use of fat for fuel by as much as a third, causing more fat to be stored. (or 33%)
God bless!
The pH scale is from 1-14 and if the water is on 7, it would make it a neutral substance (C).
The correct option is B.
Idea models refers to those models that are used to show the relationships that exist between abstract concepts. The model is used basically to bring about desired changes and it normally used in business and other sectors to visualize how an idea might work out. Idea models are usually presented in form of graphs and equations, the variables in these graphs and equations show the relationships between the variables that are been considered.
