According to hobbes, to achieve peace for ourselves and to avoid death, humans enter into a and submit to an overarching sovereign authority charged with ensuring peace for everyone.

English philosopher Thomas Hobbes, in his 1651 book titled “Leviathan”, which established the social contract theory, postulated that to achieve peace for ourselves and to avoid death; humans enter into a SOCIAL CONTRACT and submit to an overarching sovereign authority charged with ensuring peace for everyone.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.