Answer:
A crow does move its head with its eyes fixed.
Explanation:
Birds Eyes Are Fixed, So Their Neck Compensates To Hold Vision Steady. If a bird is moving and its wants to keep its eyes looking at something while it is moving then its body must compensate.
B. the warmer air contains more water vapor per unit of volume
There is one extra 21 comosome which is why it is down sydrome.
