A wave will travel only as long as it has energy to carry. The energy makes a wave travel and it will stop traveling as soon as the energy is dissipated.
The correct answer is : D. Pleistocene epoch
The Pleistocene epoch lasted from about 2,500,000 years ago to 11,700 years ago. In this era, a lot of repeated glaciations happened on earth, since most of Earth's geographical surface is covered in Ice.
When the Sun, Moon and Earth are inline
Answer:
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Explanation:
Flash floods are dangrous because
they have the destructive power of a normal flood combined with raging water, in addition to being unpredictable. Each year in the U.S., floods kill more people than hurricanes, tornadoes or lightning.
To promote the growth of vegetation, Aborigines from Australia created grass fires to encourage new growth in vegetation and to allow the wild animals to eat the new plants resulting from the grass fire. They also used grass fires in order to roast some seeds that germinate only when burned. In return, these seeds provide them food.
