<span>the one that is true concerning stretching technique is : c. ballistic stretching exercises can be harmful if done incorrectly
Ballistic exercise often consist of several movement that force our body to a certain increase from our usual range of movement.
If being done incorrectly, we could risk a pulled muscle during the stretching.</span>
I believe this to be the opposite. With the digital age, any knowledge can be at your fingertips. Back then people had to rely on certain books to understand a topic, for example the Encyclopedia. My mother has A-Z books in a box somewhere. Those information will be heavily outdated as modern information try to be updated when new information is present.
The answer is F, False.
Karl Marx was the developer of this theory.
Hope this helps! :)