Scientists use evidence of catastrophic events to learn more about Earth's history. These events, such as volcanic activity, earthquakes, climatic change, and asteroid collision, may have impacted Earth's surface and lifeforms. Think about the way these events could have changed Earth over
time.

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.