Answer:
B
Explanation:
because the sandpaper is rougher than the flat table.
Metabolism- This chemical processes that occur within a living organism in order to sustain life.
Antibiotics are ineffective against viruses because viruses do not have cells. Viruses are infectious agents that live within the cells of other living things. Antibiotics work by breaking down the cell walls of bacteria or interfering with the bacteria's ability to repair its cell's DNA, according to How Stuff Works.