Answer:
Ok for the first one its B, since it says nothing about saving money. For the second one it's A and C, since the other two answers are not mentioned it the passage.
Whatt?? haha I don’t understand
Answer:
It is the concept pf surface tension that helps the coin to float on the top of the water in the glass. The surface tension acts just opposite to the gravitational force and that is why when any metal placed in the water it will float and come on the surface.
Brainly Plz