Soil is made up of tiny bits of crushed rock and organic material.<span />
If plants do not receive enough light, they will not grow at their maximum rate or reach their maximum potential, regardless of how much of any other variable – water, growth medium or fertiliser – they receive. Light is the driving force for photosynthesis, a plant process that changes sunlight into chemical energy.
the first,the thrid and the fourth are the affects of burning fossil fuels on the carbon cycle