Chemicals from a factory seep into the local water supply
This can cause health effects in organisms and it is the pollution made by only for human needs.
Others are environmental problems which are not fully caused by humans
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Answer:
yes it did... but what are you wanting tho
Explanation:
The answer is B.
The primary positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World.
In the Northern Hemisphere, soil on south-facing slopes dries out faster and is warmer than soil on north-facing slopes due to longer exposure to sunlight – the opposite applies in the Southern Hemisphere.
-brainliest!
