Answer:
Pump-and-Treat is a primary technique for groundwater and soil remediation. In this process, groundwater is pumped to the surface, and contaminants are removed by a variety of treatment methods, including air-stripping, activated carbon, ultraviolet or ozone treatment, precipitation and biodegradation.
Explanation:
Its common. In the last 10 million years, there have been 4 or 5 reversals per million years
Answer:
Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon back into the atmosphere
Explanation:
Fish? Some fish eat algae and algae are plants
Answer: Acid rain
The volcanic eruption is a natural phenomena that results in the liberation of the lava from the heap of the earth along with the gases. The volcanic eruption causes major damages to the vegetation lying above the erupted crater of the volcano. This results in the immense release of gases such as carbon dioxide, carbon monoxide, sulfur dioxide, hydrogen chloride, hydrogen fluoride, methane and ammonia all these gases are major pollutants of the air. These gases reacts with water vapor in the atmosphere and condense in the form of acid rain.