Rutherford's model of the atom is also known as the planetary model because this is when he discovered the nucleus of the atom. He also discovered that the nucleus of the atom, located at the center of an atom, is only 1/3000th the size of the atom's diameter. Also, surrounding the nucleus is an electron cloud. Therefore, the best description of his model would be <span>a sports stadium with a marble at the center.</span>
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Answer:
B) mutagens
Explanation:
Mutagens are substances that causes mutation. Mutation involves alteration of the genetic materials of an organism.
Substances such as ultra-violet radiation, x-rays, nitrous acid, viruses, fungal-infections e.t.c leads to the physical, chemical and biological alteration of genetic sequences to produce a mutant. A mutant is an organism whose genetic sequence has been altered.
Note: Pathogens are disease causing organisms. Vectors are carriers of pathogens.