Answer:
B) the health and abundance of old growth forests.
CFCs stands for Chlorofluorocarbons. These compounds have long lifetimes. Because of its long lifetimes, it will not only affect our atmosphere but will also climbed to the higher spheres of earth, particularly our stratosphere.
The stratosphere is the location of our ozone layer. It protects us from the extreme rays of the sun. Prolonged presence of CFCs in the stratosphere destroys our ozone layer. Thus, weakening the protection from the sun's uv rays. This will affect us because we are subjected to higher risk of the sun's harmful ultraviolet rays which may result to skin cancer and other sun related ailments.
Answer:
Lower levels of organization in multicellular organisms are cells, tissues and organs. These are followed by organ system and finally organisms. These levels are absent in unicellular organisms as they have only one cell and therefore no tissue and further levels.
Wisely selecting food combinations and getting enough vitamin C
are methods to increase the amount of iron available for use in the body. Vitamin
C can be lost because of heat from cooking and long storage so select fresh,
raw sources most of the time. Meat-eaters should pay attention on combining
animal-based foods with plant sources of iron for improved absorption.
These foods Sources for iron:
<span>
Chicken
and beef livers,
Beef
Turkey
and chicken,
tuna,
</span>
<span>
Fermented
soy-based like tofu,
Lentils, seeds, nuts,
Spinach,
Raisins, beans, iron fortified cereals.</span>
