Answer:
B is the answer for sure.
Sewage holds toxic microbes and contains a mixture of suspended impurities. When these impurities hit drinking water microorganisms begin to deteriorate the water, and uses up the dissolved oxygen with the microorganisms, making these water dangerous to drink from. Major impacts of this can include giardia, salmonella, cryptosporidium, and E. coli.
C)
The difference between allele A and allele S is due to changes in the environment.
Answer:
D) producer
Explanation:
Corn is on the bottom of this food chain. Corn takes energy from the sun and turns it into engery it and other animals that wat it can use.
Answer:
A, B, D & E
Explanation:
Watershed conservation aims to protect wildlife in the watershed, restore vegetation, keep the watershed environment healthy, and in very dire cases may even have to relocate the watershed to a less polluted area