The six types of physical weathering are
Abrasion weathering.
Exfoliation weathering.
Frost wedging.
Salt crystallization.
Thermal expansion.
Biological activity/root wedging.
1) aluminum
2) copper
3) white paper
Explanation:
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The correct option is C.
Specie specific signals are those signals which are limited to only one specie of animal. The specie usually use it to communicate with the members of the specie. Each signal normally have a specific meaning and will produce uniform response in its receivers.
D cancer cells and normal cells both grow rapidly