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:
D.was Abel to kill all 3 types of bacteria
Proximentaly 2 hours, hope i helped