Anemia is a condition of low red blood cell production often related to low iron intake.
Anemia happens when you don't have enough blood, basically.
The answer would be A.
In the spring and summer, their food is more abundant. In the winter, it is scarce, which is why most animals go into hibernation.
Hope I helped! : )
Answer:
Rocks or lava
Explanation:
In 1° succession there is no soil.. And the process of soil formation take very long time.
In 1° succession rocks or lava is present and lichens, soil erosion, wheathring of rocks helps in soil formation.
<span>The three sources of signals related to the regulation of cell growth and division are :
</span><span>a) Other Cells
b) Other Organs
c) Environmental Conditions</span>