In developed nations people have more fast food options which lead to cardiovascular disease. As well as screen time all day since this is one of the factors of cardiovascular disease. Undeveloped nations don't have fast-food or television to watch all day, since they play outside.
They allowed scientists to study heredity and further develop it
<span>The composite mesoglea of jellyfish and sea anemones provides structural support using collagen fibers in a complex gel matrix.</span>
Answer:
<h2>D is the correct answer please mark me brainliest </h2>
The wet bulb depression is the difference between the dry-bulb temperature and the wet-bulb temperature. It is measured by a psychrometer . If there is 100% humidity, dry-bulb and wet-bulb temperatures are identical, making the wet-bulb depression equal to zero in such conditions.
(In short; the difference between the temperature of a dry bulb and wet bulb.)
