Which of these statements are true about scientific theories and hypotheses? A hypothesis is a tentative statement.
A theory is the same as a fact.
A theory has strong predictive power.
A theory is formed before experimentation begins.
A hypothesis is formed after experimentation is complete.

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

If a grape were placed in a hypertonic solution what would happen and why?