Which statement can be supported by using a position-time graph? A negative slope results when an individual is moving away from the origin. A horizontal line on the graph means the individual is moving at no -zero velocity. A positive slope results when an individual is moving away from the origin. The speed of an indidvidual cannot be determind from this type of graph.

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

B) raising the temperature and reducing the volume of the gas.|-/ 

Answerboth technicians (a) and (b);