If the experiment shows the original hypothesis is false, the scientist
question 4 options:
should present their findings
can re-state a new hypothesis
will not be able to solve the problem
must repeat the exact experiment again

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the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

b. the carbon cycle ensures living things have a source of hydrogen

the answer is "a.) well–developed vascular system."

explanation: