Clenching the fingers to make a fist, then relaxing and straightening them is an example of :Flexion followed by extension
To put it simply, joint will become shorter during flexion and will become longer during extension. When he made a fist, he curled ul the joints in his hand, and when straightening the arm, he elongate the joint on his elbow
1 is false, waves can't propagate in a vacuum.
Answer: I would say A is the correct answer
Explanation:
The detail that most creates tension is the fact that the first person who had three wishes made his last wish for death.
“The first man had his three wishes. Yes,” was the reply, “I don’t know what the first two were, but the third was for death. That’s how I got the paw.”