The southern united states experiences periodic occurrences of severe cold and drought conditions. which weather phenomenon most likely causes this and why? la niña, because the jet stream is displaced southwards la niña, because the jet stream is displaced northwards el niño, because of increased upwelling of cooler waters el niño, because of decreased upwelling of cooler waters

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

The receptor cells that convert light energy into neural signals are called

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope