The answer is the gradual decrease in sexual activity in some males as a
result of illnesses and losses. <span>Male menopause involves a
drop in testosterone making in men who are age 50 or older. It’s often associated
with hypogonadism. Both conditions involve lowered testosterone levels and
similar symptoms.</span>
<span>The monomers used to synthesize proteins are called amino acids</span>
78.08% nitrogen
<span>20.95% oxygen </span>
<span>an average of 0.247% water vapour (very variable) </span>
<span>& approximately 1% of other gases </span>
<span>These other gases are the noble gases consisting of :- </span>
<span>Argon (0.93%) </span>
<span>Neon (less than 0.01%) </span>
<span>Helium (less than 0.01%) </span>
<span>Krypton (less than 0.01%) </span>
<span>Xenon (less than 0.01%) </span>
<span>Radon (less than 0.01%) </span>
the answer would be the third option: the cells change after being exposed to the chemical, and this change is passed to the next generation of cells.