Why is it important to test models during the testing step of the engineering process? Choose two answers. A.
to define the problem

B.
to see if models solve the problem

C.
to see how much the materials will cost

D.
to see how models could be improved

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Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit