B. 1 in 4 which is also 25%
Answer:
As the river erodes the landscape in the upper course, it winds and bends to avoid areas of hard rock. This creates interlocking spurs, which look a bit like the interlocking parts of a zip. When a river runs over alternating layers of hard and soft rock, rapids and waterfalls may form.
Answer:
The Moon lacks an atmosphere, and the small amount of water that is present is "buried" in the polar areas. Finally, there is no life on the Moon. The major factor which does change the Moon's surface is the impact of meteoroids, forming craters. ... The surface of the Moon is very old, compared to the Earth
Most divergent plate boundaries are underwater (Iceland is an exception) and form submarine mountain ranges called oceanic spreading ridges. While the process is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.
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