Answer:
Option b. Lowering the pH to kill pathogenic bacteria is correct answer.
Explanation:
bacterial motors are sensitive to pH. By decreasing the pH bacterial motors stops working. This was identified in a new research. But, with the weak acids and a lower internal pH they slow and ultimately stop moving (became dead).
Reference: Powell, K. Acid stops bacteria swimming. Nature (2003).
Answer: Uranium mining does not cause air pollution.
Explanation:
Answer:
a. lethargy, weight gain, cold extremities, and constipation
Explanation:
Caused by a decrease in thyroid hormone T3 (triiodothyronine) and T4 (thyroxine) production, hypothyroidism can lead to fatigue (lethargy), weight gain, cold intolerance, constipation, skin dryness, thinning hair, increased rates. cholesterol and menstrual flow, plus infertility and depression. These symptoms are not always all present, which makes it necessary to research thyroid dysfunction in front of any of them.
Although the reason has not yet been discovered, diseases caused by thyroid malfunction are more common in females. In addition, the risks increase with age. Thus, endocrinologists advise women over 40 in particular to have their thyroid self-examination periodically.
Answer:
B
Explanation:
Took the test and got a A
:-)
