What is another way to describe the vector below "25 mph to the east"
a.25km/hr to the east
b.-25 mph to the west
c.-25 mph to the south
d.25 mph to the west

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

3. which is not a primary color of light? blue red green yellow

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?