What is the best possible way to verify claims a manufacturer makes about a supplement's safety and effectiveness? the manufacturer's website the product's commercial advertisement the us food and drug administration website a consumer's blog review

=force × distance a. work b. velocity c. pressure d. momentum

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.