the table shows the dimension and masses of several figures, as well as the densities of some commom materials cacluate the density of each figure

the answer is in the us third parties have yet to win the presidency hope this ! can you mark brainliest?

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

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there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.