I think the answer is letter b. multivitamins. As what I have read about supplements it include vitamins and minerals and substances which come from a natural source. And also because of this substances it helps the human body maintain its well-being.
Condoms
vaccines
controlled rooms of sick/affected people
During exercise, stored chemical energy is converted to energy that can be used for muscle movement.
Answer:
common carp
Explanation:
Exotic fish is a kind of fish that is found in places other than their country of origin. They are usually introduced to a new environment or country.
Considering the options in the question, common carp is known for its exotic characteristics has it has been introduced to most contents and various countries around the world, from the United States to Australia. Common carp adapt and survive well in their new countries they introduced them to.