What is the composition of the outer core of Earth? o A. solid iron only
B. liquid iron only
C. solid iron and nickel
D. liquid iron and nickel

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis