Answer:
2
Explanation:
Humans need proteins, fatty acids, vitamins, and minerals
I’m sorry but i would like to help but this got me lost
Answer:
i think its B
Explanation:
good luck and may the Lord bless you
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).
Industrial revolution produced pollution, which became the reason of black pepper moth. When time passed, they became more suitable by the process of natural selection.
hope this helps!