It is intuitive that if you are jumping from a high cliff, you would rather land in water than on sand -- but why

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

Explain the consequences of this addiction to the brain tissue

What is the scientific definition of energy that relates to work