What are the problems of turbid water for aquatic plants?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize