I thinks it’s B but good luck
C) corrosive, should be your best answer
hope this helps
Strategies include listening to relaxing music, reading a book, taking a hot bath, meditating, deep breathing, and visualization. Try out different methods and find what works best for you. Relaxation techniques before bed, including hot baths and meditation, may help you fall asleep
It is the concept of 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.
