Weathering can be caused by rain,snow,heat,and as well as wind.
Commensalism is the relationship between two organisms where one benefits from the other and the other is not affected in anyway. The interaction between the remora and the shark demonstrates this relationship.
Answer:
1 they speed up to change the rate
Explanation:
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Answer: a. cervical enlargement.
Explanation:
Cervical enlargement corresponds to the enlargement of the spinal cord. The spinal cord is the origin of the spinal nerves that contribute to an important task of supplying blood to the upper limbs.
The cervical enlargement results in an increase in the volume of the motor cells in the ventral part inside the grey matter. The motor neurons which are sited posteriorly supply to the upper limbs. Those which supply to the distal muscles are situated further posteriorly.
