Tsunamis are created when a maginutde of 5.3 or higher earthqauke occurs by a large body of water, the shaking of the ground causes the water to move or the vibration, therfore causing a tsunami . Also California would have a tsunami after a earthqauke if it was big enougth , and if it was close enough to the shore.
Answer:
Emission from fossil fuels can cause a lot of toxic air pollution. The air pollution can lead to an increase in respiratory diseases such as lung disease and lung cancer. Sulfur dioxide (SO2), for example, is emitted from burning coal and leads to an increase in acid rain. These are just a few examples of the harmful effects of fossil fuels.
Urban growth and mining, I'm 99% sure
Electrons.
An electrical discharge is lightning. The air around lightning may reach 30,000°C (54,000°F) in only one lightning strike! As a result of this intense heating, the air rapidly expands explosively. The expansion generates a shock wave, which develops into the thunderous sound wave.
High in a thunderstorm, ice crystals collide as they drift up and down in the tumultuous air.
As they collide with one another, ice crystals are knocked off and added to by tiny, negatively charged particles known as electrons. This divides the cloud's positive (+) and negative (-) charges. The base of the cloud becomes negatively charged, while the top of the cloud becomes positively charged with protons.
Positive charge is carried into the cloud by a powerful electric current that forms at the point where the stepped leader and positive charge collide. The return stroke is the name given to this electric current.
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