In order for a hypothesis to be testable, scientists need to be able to carry out investigations that will either support or disprove it true or false

True

Explanation - A hypothesis is given once the question is identified and background research has been done. A hypothesis is validated by performing experiments.

Prior to the experiments being performed, proper planning is done. After the experiment is carried out, the data is noted. Once the data is noted, results are inferred.

If the evidence agrees with the prediction then the hypothesis is being supported and validated. If the result fails to validate the hypothesis then the hypothesis need to be abandoned or modified.

the answer is c cumulus. cumulus clouds can be seen on a gray and rainy day, because cumulus clouds create thunderstorms. give me brainliest if right.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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