The answer would be the cracking of rock caused by the freezing and thawing of water.
Answer:
The Asian elephant is the largest land mammal on the Asian continent. They inhabit dry to wet forest and grassland habitats in 13 range countries spanning South and Southeast Asia. While they have preferred forage plants, Asian elephants have adapted to surviving on resources that vary based on the area.
Asian elephants are extremely sociable, forming groups of six to seven related females that are led by the oldest female, the matriarch. Like African elephants, these groups occasionally join others to form larger herds, although these associations are relatively short-lived. In Asia, elephant herd sizes are significantly smaller than those of savannah elephants in Africa.
More than two-thirds of an elephant's day may be spent feeding on grasses, but it also eats large amounts of tree bark, roots, leaves, and small stems. Cultivated crops such as bananas, rice, and sugarcane are favorite foods. Elephants are always close to a source of fresh water because they need to drink at least once a day.
In Asia, humans have had close associations with elephants over many centuries, and elephants have become important cultural icons. According to Hindu mythology, the gods (deva) and the demons (asura) churned the oceans in a search for the elixir of life so that they would become immortal. As they did so, nine jewels surfaced, one of which was the elephant. In Hinduism, the powerful deity honored before all sacred rituals is the elephant-headed Lord Ganesha, who is also called the Remover of Obstacles.
True. A theory arises from certain phenomena or scenarios out of observation in an effort to explain why they occur, though they are yet to be proven.
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The correction of thermal expansion per tape length, if the temperature at the time of measurements is 25°c and the pull exerted is 150N is 4.67 ×10 ⁻³m.
Thermal expansion is the tendency of remembering to change in form, volume, and region in response to an alternate in temperature. Temperature is a monotonic characteristic of the common molecular kinetic power of a substance.
Given,
Length of steel tape = 30m
Temperature at standardization = 15°C
The temperature at the time of measurement = 25°C
Standardized pull (Po) = 80N
Pull exerted (Pm) = 150N
Young modulus of elasticity = E = E= 2X10^5 N/mm2
Coefficient of thermal expansion = 211.2x10^6c°
Cross-sectional area of tape = 8 mm²
For temperature correction Cm = (Tm - T₀)αL₀
Putting α = ( 25 - 15 ) × 11.2 × 10⁻⁶ × 30
Cm = 3.36 × 10⁻³ m
For full correction ;
C pull = (Pm - Po ) × Lo
Putting value'
C pull = (150 - 80) × 30 × 1000 /8 ×2 × 10⁵
C pull = 1.31 × 10 ⁻³
Total correction = 3.36 × 10⁻³ m + 1.31 × 10 ⁻³
Total correction = 4.67 ×10 ⁻³
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