Plastic particles in the sea can cause problems to aquatic life ranging from plankton, fish to big animals like turtles, dolphins and whales. The problem of aquatic life is not only the direct intake of plastics but also the chemicals in the plastics that can be absorbed into the tissues of these aquatic life.
3. Apart from the problem above, surf the Internet to find information about the problems of using ionic compounds and covalent compounds in the following fields
(a) Industry
(b) Agriculture
(c) Medicine
(d) Domestic​