Fill in the blanks with the word that best completes each statement. Scientists develop knowledge by making -about the natural world that may lead to a scientific question. A scientific question may lead to a(n) -which can be tested. The results of -can lead to changes in scientific knowledge.

1. observations

2. hypothesis

3. experimentation

Explanation:

Observations are made, Hypothesies are formed from observations, and experimnets help alter and comfirm hypothesis.

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hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?