What is an example of a physical weathering?(1 point) Responses a metal tool left outside beginning to rust a metal tool left outside beginning to rust bits being blown off a rock by heavy winds bits being blown off a rock by heavy winds microscopic organisms producing compounds that break down rock microscopic organisms producing compounds that break down rock a rock wearing down due to acid rain
bits being blown off a rock by heavy winds
An example of physical weathering is bits being blown off a rock by heavy winds.
An example of a physical weathering is bits being blown off a rock by heavy winds. To understand this concept, let's break it down:
Physical weathering refers to the process of breaking down rocks and minerals into smaller fragments without altering their chemical composition. It is mainly caused by physical forces like temperature changes, pressure, freezing and thawing, and wind erosion.
In the case of bits being blown off a rock by heavy winds, it occurs when strong winds exert force on rocks, causing small pieces to break off. This is particularly common in arid or windy regions where rocks are constantly exposed to powerful gusts.
To identify this process as physical weathering, you would need to observe rocks or boulders in an area with high wind activity. Look for signs of smaller fragments or chips scattered around the rock, indicating that bits have been broken off due to wind erosion.
It is important to note that other options mentioned also describe forms of weathering, but they fall under different categories. Rusting of a metal tool due to exposure to the elements is an example of chemical weathering. Microscopic organisms producing compounds that break down rock refer to biological weathering. Finally, the wearing down of a rock due to acid rain is an example of chemical weathering caused by the interaction of acid precipitation with rock surfaces.