4. The frequency of a longitudinal sound wave is 900 Hz and the speed is 320 m/s. W
wavelength...
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Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
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Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?
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(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only
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