The DNA of all organisms is made up of the same sugar backbone and nitrogen bases. Explain what creates differences among individuals.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

yes we can.   a lady urinates from her urethra.