Is a control mechanism that intensifies an earlier reaction. a sensory receptor an effector negative feedback positive feedback

The sensory receptors are nerve endings or specialized cells able to capture internal or external stimuli, and generate in response nerve impulses.

The answer is: A sensory receptor.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

the product of the pressure and volume is also constant