The given blank can be filled with alcohol.
Alcohol and tobacco are the most important oropharyngeal cancer and oral cavity risk elements. Mouth cancer is basically a lifestyle disorder, signifying that the majority of cases are associated with alcohol and tobacco use.
About 90 percent of individuals with mouth cancer are tobacco users. The individuals who cease the use of tobacco, even after many years of use, can largely minimize their threat of all smoking-associated conditions like mouth cancer.
Answer:
Induction of intentional mutations in the mitochondria of pre-fertilization ova
Explanation:
Leigh syndrome is a neurological disorder which affects the motor and mental state of organisms. The Mitochondria is known as the power house of the cell due to its production of energy for use by various cells in the body. Most neurological problems affect the motor and mental state as a result of a mutated mitochondrion. This explains why Induction of intentional mutations in the mitochondria of pre-fertilization ova Is correct.
The answer is: a pathogen
A pathogen is anything that can cause a disease, such as a virus or bacteria.
'Path' is like pathology and 'gen' is like generation/ creation.
When you catch a cold, it's typically a viral infection such as rhinovirus, so pathogen works.