Answer: c. Fatigue test
Explanation:
In material science and in creation of an object that would carry load, the object is subjected a load testing known as fatigue testing, this is required to determine the capability of the equipment and the extent to which it can sustain it's maximum load without failure, this is known as fatigue testing. This is required to guard against many failures of equipments.
You have not put the choices
The 1957 launch of Sputnik and subsequent Russian firsts in space convinced many U.S. policymakers that the country had fallen dangerously behind its Cold War rival. Consecutive U.S. administrations invested in education and scientific research to meet the Soviet challenge.
One is a pole with animals and the history book is everything about history
