This vitamin consists of a family of eight similar compounds, and although all forms are absorbed, only one is considered for human requirements. Question 3 options:

Vitamin A

Vitamin D

Vitamin E

Vitamin K

vitamin a

Explanation:

the b group vitamins are a collection of age water soluble vitamin c for various metabolic processes.

but b isn't an option.

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.