In the 1700s, james watt caused a revolution in transportation by improving the spinning mill. the steam engine. road construction. railroad cars.

Which of the following describes classical civilizations? they grew slowly and had a very short lifespan. they were unable to carry out long-distance trade. they made lasting impressions in art and architecture.

The bishnoi conservationist is take care of nature and grow with it, instead of exploiting it explain the statement

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?