14.75mph
Explanation:
Given parameters:
Distance traveled = 177miles
Time of arrival in Dallas = 12hours
Unknown:
Average speed = ?
Solution:
The average speed is the total distance covered divided by time taken for the entire travel.
It is the rate of change of distance with time.
Average speed = 
since total distance traveled = 177miles, time of arrival = 12hrs
Average speed =
= 14.75mph
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The endoderm layer may have developed abnormally" is the possible reason among the choices given in the question. The correct option among all the options that are given in the question is the third option or the last option. I hope that this is the answer that has actually come to your great help.
Answer:
Muscle Cells and Nerve Cells
Listen the guy who answered the other one is wrong its not blood cells