The answer is b
Yada yada yada
<span>these behaviors could be measured using the natural procedure known as Permanent product
permanent product is the end result of behavioral modification in order to achieve the desired outcome. It considered as 'permanent' because the subject will most likely to make the behavior into a daily habit. </span>
Answer:
Their powerful winds, rainfall and rushing floodwater can do enough harm to permanently remove land. The pounding surf can break down marshes' soft sediments and thick mats of dead grass, which are pliable and easily reshaped.
He discovered the "new world", he discovered that the world wasn't flat , he brought new diseases to the new world which killed many. (If you need more lmk)