The common characteristics of fats, steroids, and waxes are
that they cannot dissolve in water. Fats, steroids, and waxes are types of
lipids. Lipids are soluble in solvents. Fats have two types which are saturated
fats and unsaturated fats. An example of steroids is the cholesterol which our
body needs in order to survive but too much of cholesterol can lead to strokes
and blood clots.
The main organ of the respiratory system is the lungs.
Answer:
To other people, abstinence means not having sexual intercourse during the time of the month that they may be most fertile. The best description of this practice is periodic abstinence, which is considered a method of natural family planning.
Explanation:
