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.
Answer:
Option A.
Explanation:
Essentially, the cause of a rainbow is the reflection of sunlight through individual drops of water. Light enters the water and reflects from the opposite side of the water drop, bouncing back through the point of entry. Because the angle or refraction of the light changes as it bounces back.
Answer:
Are all genes active at the same time?
Thanks to gene regulation, each cell type in your body has a different set of active genes—despite the fact that almost all the cells of your body contain the exact same DNA.
Explanation:
so big fat false :D
Nuclear pharmacy, also known as radiopharmacy, involves preparation of radioactive materials for patient administration that will be used to diagnose and treat specific diseases in nuclear medicine. ... The majority of diagnostic nuclear medicine investigations are performed using technetium-99m.