13: saliva (option B)
14: Tongue
15: esophagus
16: stomach
17: enzymes
18: chyme
19: small intestine
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.
Alcohol abuse can cause liver<span> diseases, </span><span>alcoholic </span>hepatitis<span>, and </span>cirrhosis<span>. </span>
It can help you because if you're not afraid of laughing at yourself then you won't mind as much if people laugh at you and you'll in a way realise that you're also one who makes mistakes this is my aspect on it I ain't saying it's the best answer
