The cornea is shaped like a dome and bends light to help the eye focus. Some of this light enters the eye through an opening called the pupil (PYOO-pul). The iris (the colored part of the eye) controls how much light the pupil lets in. Next, light passes through the lens (a clear inner part of the eye).
Answer:
This is because it has ns1 electron configuration like the alkali metals.
Pls Mark Brainiest, am trying to become Virtuoso
<span>the same amount of work being done over a longer period of time.</span>
B: CaO
Because Calcium is a Metal and Oxygen is a Non-Metal. Ionic bonds are only formed with a Metal and a Non-Metal element.
