Frost wedging is a type of physical weathering of rock.
Explanation:
Physical or mechanical weathering affects the rock structurally but does not change the chemical composition. Mechanical forces will rub, break or shatter the rock surfaces. Wedging, abrasion, exfoliation are different types of physical weathering.
Water is one of the main sources which alter the structure of the rocks physically.
Frost wedging occurring due to flow of freezing water over the rocks. This frozen water enters the rock through the cracks and crevices on the rock surface, and will expand inside and makes the rocks to crack further and breaks it apart.
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Answer:
C. Mass
Explanation:
The extensive property is that property of material that depends upon the amount of matter (mass) of substance. Thus, in the given options only, mass is the extensive property. All the other properties other than mass are independent of mass.
The simple method to find out the extensive property is to divide the substance into half. If that property for both individual halves also becomes half, then it is dependent on mass and an extensive property. If the property remains same as before for each half, then it is independent of mass and called intensive property such as, density, temperature, pressure, etc.
Thus the correct answer is <u>C. mass</u>
Answer:4.8 m/s^2
Explanation:
mass=10.5kg
Force=50.5N
Acceleration =force ➗ mass
Acceleration =50.5 ➗ 10.5
Acceleration =4.8 m/s^2
<span>Heating food under a heat lamp is an example of heat transfer by
<span>Radiation</span></span>
