When adding vectors, the shortest path from the origin to the end of the last vector is called the?

Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.

Describe the function of the endomembrane system? what organelles are involved?

How to tell if a molecule is polar or nonpolar with electronegativity