Answer:
B. mercury
Explanation:
Mercury is one of the most common toxic chemicals that can be found in contaminated fish. This is because mercury has become a common pollutant in rivers and other waterways since it it commonly used in mining and industrial operation, and these operations end up throwing the mercury into the waterbodies, where the fish absorb it.
Answer:1-B 2-B 3-B
Explanation: just got it right edge 2021
Because they are small which are not suitable for transportation but still some rivers have that facility
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The answer is D. The king had to accept the religion before it was openly practiced and spread throughout the kingdom.
