B. None of the others are advantages. But a higher yield would provide more food.
Answer: a
Explanation: because even if it was mixed it was still able to be removed by the magnet
Answer:
It's called <em>hydrocephalus</em>.
Explanation:
Hydrocephalus is a condition in which cerebrospinal fluid builds up within the ventricles of the brain and it may increase pressure within the head.
C.
Weathering is the only one that doesn't deal with plate tectonics
