I do not know your choices but heres what i think....
sound waves travel faster thru solids due to their tight bonding
then liquids are second
then gas.
hope this help,if not the real answer will be in comments :)
Answer:
Developed vaccine for rabies virus.
Explanation:
Louise Pasteur was the french chemist and microbiologist who is known for his discoveries of pasteurization, fermentation and vaccination invention.
Pasteur is known for developing a vaccine for rabies and anthrax. He produced the rabies vaccine by infecting rabbits with rabies virus and harvesting the attenuating virus from nerve tissue of rabbits.
The development of rabies and anthrax vaccine by Pasteur helped in saving the lives of many people. Therefore his work with rabies produced vaccine for the deadly rabies virus.
<span>Abnormal
behavior of cancer cells begins when a single cell undergoes
transformation, a process whereby a normal cell converts to a cancer
cell. Transformation occurs after a genetic change (mutation) in one or
more genes that encode for proteins in the cell cycle control system.
Because a transformed cell grows abnormally, the immune system normally
recognizes and destroys it.</span>
A. the volcanic eruptions of Mt. Vesuvius
