Vitamin D deficiency from lack of sunlight, look up the symptoms. Probably something along the lines of bone softening or bone decalcification. I know that's why it's added to milk which is high in calcium for healthy bones.
Answer:
Secondary succession after a eruption
Explanation:
The answer is A, only cells having specific receptors...
They can use the temporary magnetic field it creates to pick p a metal clip.
<u>Explanation:</u>
When a copper wire is wound around an iron cylinder and current is passed through the wire, the wire wound cylinder acts like a magnet. It is known that a current carrying wire develops a magnetic field around it. This is the magnetic effect of electric current.
When the current carrying wire is wound around a cylinder it will become similar to a solenoid which is a device that continuously produces magnetic field on passing current through it.
The magnetic field will cease existing once the current supply is cut off and thus it is temporary.
It's C because their will be a higher risk that the genetic material of blindness will most likely past to the child.