How would gravity cause planets to move if they did not have inertia? A. planets would orbit Jupiter
B. Planets would be pulled into the sun
C. Planets would move in a straight line away from the sun
D. Planets would run into one another

Nucleic acid certain protein cell membranes certain carbohydrates

How does the nervous system affect the excretory system?

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs