Waste water
oil pollution
river dumping
marine dumping
Answers are in bold.
1. Energy from the sun is transferred to Earth's surface. Some of that energy is then transferred to the air above the surface.
2. The closer a location is to the equator the more energy it receives from the sun. Therefore a location's air temperature is affected by its distance from the equator.
3. An effect may have more than one cause. These may be linked into a chain of causes and effects.
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They use the algae in the water
I hope this helps the answer is A
A catalyst works by providing an alternative reaction pathway to the reaction product. Furthermore the rate of reaction is increased.