Answer: The salinity of the water increases
Explanation: When the moves from equator to the polar region the salty water starts freezing, the ice that is formed is not salty means it is a source of freshwater.
So, the water that reaches the poles becomes ice and the salinity of the water increases. This is because the poles are colder as compared to the other parts of the globe. The water becomes ice there and its salinity increases.
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.
Answer:
Pollen from a plant is a biotic factor.
Explanation:
The reason why pollen is a biotic factor is because the pollen has life and it is basically a living cell which can give life to a flower.
