It forces the mercury to rise, being pushed up the tube by pressing down on the dish.
I hope I could help :)
Answer:
Hey there!
This is false. A qualitative study is about how a thing looks, not based on any mathematical or scientific data. Quantitative studies, on the other hand, draw conclusions.
Let me know if this helps :)
Answer:
Answer is C because light travels in a sight line but when light pass through a refractor the light from the source changes direction when passes through a refractor