Answer:
b. cobalt, iron, and nickel
Explanation:
Answer: Gradualism (C)
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Answer:
A callus is a hardening of skin, keratin is the protein which is abundant in callus. Skin is a protective layer against a external environment. Outer layer of skin consist of keratin which is also found in hair. Callus is the accumulation of dead cells result due to friction and pressure exerts on the part in which they are present. The keratin component (keratinocytes) remains undifferentiated in these dead cells which causes hardening in callus.
Answer:
Endoplasmic Reticulum
Structure
It is a large dynamic structure that serves many role in the cell including calcium storage, lipid metabolism, etc.
Function
It's function is to produce protein for the rest of cells to function.
Golgi bodies
Structure
It is made up of series of flattened stacked pouches
Function
It collect and distribute substance made in cell,synthesis and secretion of many material.
Answer:
its option A. bright tail feathers of peacocks during breeding season
Explanation:
