Organic chemicals can enter the grond water and contaminate private wells through waste disposal etc.
Water?? I’m not sure though
Answer:
The positive control should give a large amount of enzyme activity, while the negative control should give very low to no activity. If the positive control does not produce the expected result, there may be something wrong with the experimental procedure, and the experiment is repeated.
Answer:
Explanation:
silence- speechless
blessing- mystical and great
tenderly- soft
money- grubber