Whether a vehicle comes to an abrupt stop by crashing into a haystack or a brick wall, the impulse is
A. greater with the haystack.
B. greater with the brick wall.
C. both the same.
D. no way to say
Answer: C
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How would connecting iron with a wire to a piece of metal like copper, which undergoes reduction very easily, affect the rate at which the iron corrodes?
A. It would increase the rate of corrosion. B. Rates are only affected by temperature. C. The rate would stay the same. D. It would decrease the rate of corrosion. E. none of the above
High rates of soil erosion result in lower productivity and poorer crop quality.
Indicate whether the statement is true or false
All are part of Australia except:
A. Great Barrier Reef B. The Great Dividing Range C. Southern Alps D. The Outback
Describe the formation of coal deposits. What environmental conditions are required to produce these deposits? Why
is coal important? What will be an ideal response?