Answer:
They become ductile and deform plastically
Explanation:
When rocks are buried by the materials up to a greater depth, then the confining pressure increases significantly. This results in the ductile behavior of the rocks at such depth. These rocks are present in the ductile region where the depth is about more than 20 to 30 km. Here the rocks are subjected to extremely high pressure and temperature conditions, which favors the transformation of rocks into more higher-grade metamorphic rocks. It is also enhanced due to the geothermal gradient.
Under such high pressure and temperature, the rocks show the behavior of plasticity, where the rocks undergo bending, buckling as well as they tend to flow, and there occurs low strain rate, resulting in the permanent deformation of rocks.
Thus, the rocks become ductile and deform plastically at such conditions.
Answer:
Original temperature (T1) = - 37.16°C
Explanation:
Given:
Gas pressure (P1) = 2.75 bar
Temperature (T2) = - 20°C
Gas pressure (P2) = 1.48 bar
Find:
Original temperature (T1)
Computation:
Using Gay-Lussac's Law
⇒ P1 / T1 = P2 / T2
⇒ 2.75 / T1 = 1.48 / (-20)
⇒ T1 = (2.75)(-20) / 1.48
⇒ T1 = -55 / 1.48
⇒ T1 = - 37.16°C
Original temperature (T1) = - 37.16°C
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7.93 x 10⁶mi
Explanation:
Significant figures are numbers that shows how accurate and precise scientific measurements are reported.
Here are some rules to identifying them;
- All non-zero digits are significant
- zeros between digits are significant
- leading zero before a decimal are not significant
- trailing zero after a decimal are significant
- trailing zero before a decimal point are significant.
The number 7926381 has 7 significant numbers.
To write in the scientific notation, we simply express as N x 10ᵃ
N is the number of significant number
a is the exponent
N here is 7.93
a here is 6
7.93 x 10⁶mi
learn more:
Significant figures brainly.com/question/2746374
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