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Sliva [168]
3 years ago
6

In the activated sludge process, air and bacteria are added to the incoming sewage.

Biology
1 answer:
STALIN [3.7K]3 years ago
6 0

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. 

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A polarized cell Group of answer choices has a charge imbalance across its membrane. includes most cells of the body. exhibits a
oksano4ka [1.4K]

Answer:

True.

Explanation:

The unequal distribution of ions inside and outside of the cell makes the membrane potential of the cell. The potential is important for the conduction of the impulse and generation of the action potential.

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Thus, the answer is true.

3 0
3 years ago
If a researcher uses the same experimental setup as another study to collect data, but uses different research subjects, it is c
den301095 [7]

Answer:

The needed options are

A. an uncontrolled experiment

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C. extrapolation

D. replication

E. exploration

The ANSWER is D. replication

Explanation:

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It helps in bringing, validating and proving the original study is up-to-date. It may be done using the same exact methods in a different cultural settings, location or different research subjects to determine if the original experimental results is up-to-date.

3 0
3 years ago
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RideAnS [48]

Answer:

Albinism is the "congenital absence of any pigmentation or coloration in a person, animal or plant, resulting in white hair, feathers, scales and skin and pink eye."

6 0
3 years ago
How do mutations enter the gene pool? Why are they important to natural selection?
IRINA_888 [86]
The set of all alleles at all loci is the full gene pool<span> for the species. Over time, the size of a </span>gene pool<span> changes. The </span>gene pool<span> increases when a </span>mutation<span> changes a </span>gene<span>and the </span>mutation<span> survives </span>
8 0
3 years ago
Define the word. Next use the word in a sentence.<br> LATITUDE
Zigmanuir [339]

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Physical surroundings rather than latitude determine the character of the flora.

7 0
3 years ago
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