The cost of energy to heat water to make steam is not a
negative environmental effect of using high pressure water hoses on rocky
coastlines to clean the spilled oil. Spilled oil cause environmental pollution
to the coastlines and endangers the species the lives of the species living in
these coastlines.
The light reaction is the initial stage of photosynthesis which traps light energy to produce ATP and NADPH, whereas dark reaction is the second step of photosynthesis which utilizes the energy from ATP and NADPH to produce glucose.