Raul wants to know which species of grass will grow best in his yard. He plants four different types and waters them according to the directions on the package. All four receive the same amount of sunlight and are planted in the same type of soil. After a few days, he begins to see a difference in how fast the different types of grass are growing. What is the outcome variable (dependent variable) in Raul's investigation?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Is powdered sports drink ionic or covalent ? 10pts !

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.