Sputnik is the name of the first one of the options below as your a. space station in an earth orbit b. man-made satellite placed into orbit around the earth c. manned space vehicle d. space probe to be sent beyond the solar system

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.

answergeosphere;