An acid a. has a high ph in solution. b. turns red litmus paper to blue. c. releases hydroxyl ions in solution. d. releases hydrogen (or hydronium) ions in solution.

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

2. how is heavy water different from normal water

How do scientists think that gravity affected the formation of our solar system?