Answer:
the physical distance between the two genes.
Explanation:
I do not think the industrial and agricultural revolutions could have occurred without the environmental costs. The industrial revolution in the 18th century occurred at a time in history when people where not aware of the consequences of their actions or the consequences of the widespread use of fossil fuels. Even if they were aware the technology would not have been present to harness power from natural renewable sources of energy.
Acidity.
If it has less acid it is considered an alkaline
If it has more acid it is acidic
Answer: A
Explanation: I feel as if it could be all of them except C
