Heavier weights and increase repetitions.
Answer:
<em>The correct option is C) happened by chance</em>
Explanation:
Mutations can be described as any changes which occur in the DNA of an organism. Mutations can be natural or induced through methods like the use of chemicals.
Mutations occur randomly and happen by chance. Hence, option C is correct.
Other options like option A are false because mutation is the sudden change in the genome of an organism. Hence, mutations will not cause the teeth to grow longer until they reach an optimal length.
Answer: Yes, activities like aerobics help to have a healthy heart and that is why I like to do them.
Explanation: The exercises not only help the physical appearance but also health. A healthy heart is vital so that a person can live his daily life in a normal way and without any type of problems. In my case, I like to do aerobics or some type of cardio since these exercises help to maintain a young heart. Remember that these activities must be accompanied by a good diet.