Answer:
a. vitamin d and vitamin b12
Explanation:
Vitamins are groups of organic compounds that are essential in small quantities for healthy human growth, metabolism, development, and body function. Vitamins are found in plants and animal foods or sometimes produced synthetically. Deficiencies of specific vitamins produce specific disorders. Vitamin d and vitamin b12 are important vitamins that the body needs. The body produces vitamin D when the skin is exposed to sunlight and it is very essential for strong bones, while vitamin b12 is naturally present in meats. Deficiency of vitamin d in the body can result in bone problems (including teeth) and it has also been linked to depression. Vitamin b12 deficiency can also affect mental functions by causing disorientation, memory loss, depression and confusion.
From the question, the elderly woman may be developing a deficiency of vitamin d and vitamin b12.
Answer:
Ozone
Explanation:
In the stratosphere, ozone is created primarily by ultraviolet radiation. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen.
Sex (sexual reproduction), is the act of reproducing. Each species of animal and plant do it in a different way, and some just choose to do it by themselves. And yes, according to a good percent of the population, sex does feel good.
Answer:
Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). ... Independent of the motion of sound through the medium, if the medium is moving, the sound is further transported.
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Answer:
in many ways
Explanation:
if the animal does not receive the same nutrition that it would in the wild, the animal will become weaker. If the climate of the zoo is very different than the animals natural habitat, they will struggle to maintain homeostasis. If a dolphin, for example, is in a tank that is too small, it will struggle to grow and develop.