The correct option is C.
Science is a dynamic subject and it changes all the time. In the science field, research is always on going and when new evidence are discovered about a particular topic, the new evidence are usually used to update the scientific information that is already on ground. All the areas of science listed about have enjoyed scientific updates in the recent past.
It sends waves from satlights to ur inntina
Simple handwashing is more than enough to stop the spread of infectious diseases. The hands play a major role in spreading pathogens because it can come into contact with infected surfaces. Make sure to wash your hands especially when they get soiled or before you eat or drink.
They are things that are non living. These include water, rock, soil, sunshine, air, wind, and any other items we use that isn't alive (cellphones, TV, furniture, clothes, etc.). Biotic factors are opposite of this. These include anything living like humans, dogs, plants, etc.