Answer:
A 39
Explanation:
The sex chromosomes is always half of it original chromosome
its a or b most likely a tho
Answer:Copper is a mineral commonly used in electronics. Copper ore deposits were created by volcanic activity. Heat and pressure creates copper ore and deposited it in sedimentary rock layers. Copper is considered a resource.
Explanion:
its already the answer
JBBBBBJBJJAnswer:
BBBABKBJ
