If the experiment's data does not support the hypothesis, what would a scientist do next?

Record the obtained results, make corrections of mistakes on the experimental process and design more testing to do the experiment again or disregard the hypothesis.

Explanation:

When following the Scientific Method if the data obtained from the experiments supports the hypothesis it is great, but whether it does it or not, the findings can still be published and shared. After identifying  the problems that appeared during the experiment, corrections can be made to he experimental process. If after several different experiments all reveal that the hypothesis can not be proved, a new hypothesis might be needed.

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.