The main reason for the species extinction is for the ecological changes.
It is chloroplast I guess because once i read that mitochondria has not much importance in being an autonomous organelle
The ANALOG FORECASTING METHOD is known as the oldest method in the forecasting of weather. This kind of method reviews the previous weather events in order to lead to a particular weather event. Hope this helps.
Elements are pure substances made up of atoms
When a body is partly or completely immersed in water (or any other liquid), then:Loss in weight of body = Weight of water (liquid) displaced by the body = Buoyant force or upthrust exerted by water (any liquid) on the body. It was Archimedes who first observed that bodies lose their weight when immersed in water.