You are walking along a path and see a tree root sticking up in the crack of a rock. Is this an example of weathering or erosion? **Explain your thinking.**
On the coastline of our oceans, waves are continuously crashing against the land. As the water moves and crashes against the shoreline, sediment is carried away. Is this an example of weathering or erosion? **Explain your thinking.**
Limestone is a soft rock. When it rains, limestone slowly breaks down. Is this an example of weathering or erosion? **Explain your thinking.**
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Answers
Answer:
Weathering is the process that changes solid rock into sediments. Sediments were described in the Rocks chapter. With weathering, rock is disintegrated. It breaks into pieces.
Once these sediments are separated from the rocks, erosion is the process that moves the sediments. Erosion is the next chapter’s topic. The four forces of erosion are water, wind, glaciers, and gravity.
Water is responsible for most erosion. Water can move most sizes of sediments, depending on the strength of the force.
Wind moves sand-sized and smaller pieces of rock through the air.
Glaciers move all sizes of sediments, from extremely large boulders to the tiniest fragments.
Gravity moves broken pieces of rock, large or small, downslope.
Figure 1. A once smooth road surface has cracks and fractures, plus a large pothole.
Figure 1. A once smooth road surface has cracks and fractures, plus a large pothole.
While plate tectonics forces work to build huge mountains and other landscapes, the forces of weathering gradually wear those rocks and landscapes away. Together with erosion, tall mountains turn into hills and even plains. The Appalachian Mountains along the east coast of North America were once as tall as the Himalayas.
No human being can watch for millions of years as mountains are built, nor can anyone watch as those same mountains gradually are worn away. But imagine a new sidewalk or road. The new road is smooth and even. Over hundreds of years, it will completely disappear, but what happens over one year? What changes would you see (figure 1)? What forces of weathering wear down that road, or rocks or mountains over time?
Answer:
1) weathering
2)erosion
3)??
Explanation:
1)Rocks are turned into soil by the process of weathering. In weathering rocks get cracked by expanding and contracting due to heat and cold. Trees also help in weathering. There roots as they grow go into the cracks and as they grow they expand forcing the cracks bigger.
Thus, it is the example of weathering
2)The roots of the tree hold the soil and prevent it from getting washed away. When there are no trees the soil gets washed away by water air and other
on the coastline the soil is loose so when the water hits it it gets displaced and the water carries it away.
so it is erosion
3)??
hope you understand i don't know the 3rd only
sorry for that