That statement is false
There are other methods that people can for the speech other than memorizing it. Here are two methods that you can use :
- Preparing a text so you can conduct the speech by reading it.
- Preparing a couple of pointers in your hand to help you remember the important topics of the speech.
Answer:
90 mins i think. Sorry if wrong im not sure
Explanation:
Sound travels faster through liquids than air.
Sound travels faster through solids (that are elastic) than liquid or air.
