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3 years ago

ASAP HELP PLSSSS!!!! WILL GIVE BRAINLYEST!!!!!!!!!!1

Biology

1 answer:

zaharov [31]3 years ago

3 0

Answer: No

Explanation: Type B is not possible if there are AA parents. The child could have A or O blood if both their parents are type A. Type B is only possible, not certain though, when parents are A and B. If parents are A and B, the child could be A, B, AB, or O.

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Name and describe two EPA regulations that are in place to protect public water systems

Amanda [17]

Answer:

The authority of EPA set several standards for drinking water quality,water suppliers,localities etc.

Explanation:

The regulations are-

1) National Primary Drinking Water regulations-

This regulation is legally possible which is applied in public water system.Primary standards protect public health by controlling the contaminants present in drinking water.

2)National Secondary Drinking water Regulations-

These regulations don't set any proper guideline to control contaminants present in water.

3)Unregulated Contaminants-

The Safe Drinking Water Act (SDWA) is a process through which EPA have to enlist the unregulated contaminants that are require in National drinking water regulations.EPA uses there unregulated contaminants and collect data that will help us to determine that whether we have to regulate that contaminants or not.

4 0

4 years ago

I'LL MARK BRAINEIST I NEED HELP ASAP

Julli [10]

Answer:

a large boulder I guess , please double check

8 0

3 years ago

Read 2 more answers

True or false A niche includes just the biotic parts of an environment

vlabodo [156]

Answer: Im pretty sure its true

Explanation:

An organisms niche includes its environment, behaviors, and interactions. It also includes its role within the environment.

8 0

3 years ago

Does the bone marrow of all bones produce immune cells?.

Ann [662]

Answer:

Yes

Bone marrow is the spongy tissue inside bones that produces blood cells. Bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are produced in the marrow, and play an important part in the body's immune system.

Explanation:

Please mark me brainliest

5 0

2 years ago

Biology homework please help

ludmilkaskok [199]

Answer:

muscles

ribs

lungs

bronchioles

alveoli

diffuses

leaves

exchange

Explanation:

Your diaphragm, and muscles between your ribs, make air move in and out of your lungs. It travels through the trachea, bronchi, and bronchioles to alveoli. In the alveoli, oxygen diffuses into the blood and carbon dioxide leaves. This is gas exchange.

Air enters the lungs and leaves it as a result of the relaxation and contraction of the diaphragm and the muscles between the ribs. When both the muscles and the diaphragm relax, air enters from the trachea and travels through the bronchi and the bronchioles to the alveoli, where the oxygen in the air diffuses into the blood and carbon dioxide diffuse in the opposite direction. The entire process is known as gas exchange.

7 0

3 years ago