Conlan wants to answer the question, “Does phosphorus affect tomato fruit production?” Which statement represents a hypothesis that he can test to answer his question?

How many types of rock can form from the rock cycle

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.

Several billion years ago which gas was the least prevailant in the atmosphere