The answer is Storms are caused when dry cold air moving south from Canada meets warm moist air traveling north from the Gulf of Mexico
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Answer:
Ambitious
DNA determines the fate of each cell.
DNA is the basic genetic unit for each cell and contains information about the fate of the cell. The DNA of daughter cell which remains in stem cell state and continues to divide causes production of those substances which promote it to stay in stem cell state and also promote its continuous division. On the other hand, the DNA of specialized cell causes production of substances which changes characteristics of the cell and causes it to become a mature and specialized cell.
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Explanation:
D)Oxygen diffuses from alveolar sacs to blood in capillaries
Surface area of the cell=4x pix2^2=50.3 um.
Volume= 4/3 x pi x 2^3=33.5 um
Ratio= 50.3/33.5=3:2
