Can someone plz me with these 3 new and last will give brainliest for right 11. to find the volume of a few small marbles, a student will need which of the following scientific tools? a. a balance and a centimeter ruler 3.0 b. a spring scale and a calculator c. a graduated cylinder and water d. a microscope and a micron ruler 12. a student includes the following sentence in a write-up of their investigation: the lead ball has a measured mass of 113 grams. which kind of scientific statement is this sentence? a. inference b. prediction c. conclusion d. observation 13. some students measure the mass of a small pile of leaves before and after the leaves decompose. each time the students measure the mass, they place a container with the decomposing leaves on a balance. before recording the mass of the leaves, the students must do which of the following? a. subtract the mass of the container b. add leaves from other plants to the container c. allow the leaves to settle in the container for a few days d. use a metric ruler to measure the volume of the container