Suggest how glucose got out of the model gut.

trachea, alveoli, lung capillaries, arteries

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.