Answer:
There are tides, at times the moon's gravity will pull the water towards the moon because of the relationship of gravity between the earth and moon. There are high tides and low tides. High tides and low tides are caused by the Moon. The Moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the Moon and the side farthest from the Moon. These bulges of water are high tides.
Explanation:
Answer:
Wells can dry up or become contaminated, this question isn't really clear so it's hard to say. It can become contaminated by underlying salt water, heavy metals, or man-made pollutants. Wells also dry up frequently and become unusable.
Answer:
Beavers and their dams play an important role in nature. Because of the dramatic effects their dams have on surrounding ecosystems, these mammals are considered a keystone species. By constructing dams they create wetlands -- lush environments which attract fish, ducks, frogs and other creatures.
Explanation:
Answer: Heat and humidity.
Explanation: Thunderstorm needs certain conditions. The two basic elements required for thunderstorms are moisture( humidity) and warm air (heat).
They generally occur during spring season and summer season. The high humidity along with warm temperature creates moist air rising in the atmosphere called as thunderstorm.It can be very dangerous sometimes.