Incorrect and false
Humans have innate behaviors and these are exhibited as instinctive behaviors that acts as an impulse, drive or impetus without a rational guidance. These are survival behaviors that aid to the individual's own growth in the harsh environment.
Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
Google said hydrogen so I'm guessing B. gases