A luminous object and a screen are placed on an optimal bench and a converging lens is placed between them to throw a sharp image of the object on the screen. The linear magnification of the
image is found to be 2.5. The lens is now moved 30 cm, nearer the screen and a sharp image again
formed. Calculate the focal length of the lens.​

hail is a solid form of precipitation composed of large, layered ice particles called pellets that often have spherical shapes. this phenomenon occurs during thunderstorms in the could type known as cumulus

hope this you out ^w^

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.