A student makes a model of an atom, as shown. Where should the student place a proton in the model? A. Inside the nucleus
B. On either of the two orbits
C. Between the two orbits
D. Between the first orbit and the nucleus

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Which units ate used to measure both velocity and speed? check all that apply