Which of the following is a similarity between a law and a theory? a. both can be modified b. both include personal opinions c. both represent incomplete ideas d. both are based on empirical evidence

It's D. This is because both are based on empirical evidence. Both do not represent incomplete ideas, and both don't include personal opinions, and they both can't be modified, so it must be D.

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

the tricuspid valve is present between right atrium and right ventricle