The answer is true. It is because the activated sludge
process made use of the aeration in which air being mixed with a substance
together with a bacteria and protozoa that is in a biological floc that will
help treat the wastewater.
Well, i took the test and i put artificial selection and got it right. The definition of artificial selection is "The breeding of plants and animals to produce desirable traits" So the answer is A
The pituitary gland is often called the "main gland" of the body, as it regulates many of the activities of the endocrine glands. ... HET (thyroid stimulating hormone) stimulates the thyroid gland to release T3 and T4 to stimulate metabolism in other cells of the body.
Answer:
ice
Explanation:
so it freezes it to preserve it
