What is each half of a chromosome called? O A. Demisome
OB. Spindle Fiber
C. Chromatid
D. Centromere

the answer is C

''chromatid''

Explanation:

hope this helps :)

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

the contamination

we are putting to many trash.