B, Bartholomeu Dias is the right answer
Answer: marketing channel
Explanation:
A marketing channel is the path that the product travels through before it reaches the consumer , from the point it get produced to where it will be consumed. Manufacturers produce the product but don't usually sell it straight to the customers hence they utilize marketing channel to make sure it get to the customer such as through department store and vending machine.
Marketing channels also includes wholesalers and retailers.
The answer is B. The regions climate. Hope this helps!!!
Primary treatment<span>. In the primary sedimentation stage, </span>sewage<span> flows through large tanks, commonly called "pre-settling basins", "primary sedimentation tanks" or "primary clarifiers". The tanks are used to settle sludge while grease and oils rise to the surface and are skimmed off.</span>