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kolbaska11 [484]
3 years ago
9

Expressed powers are. . A) granted to the national government by the U.S. Constitution. . B) granted to state governments by the

U.S. Constitution. . C) also referred to as concurrent powers. . D) also referred to as reserved powers
Social Studies
1 answer:
Leto [7]3 years ago
5 0
The answer for this item is letter "A. granted to the national government by the U.S Constitution". These are also known as "enumerated powers" which include the power to regulate foreign and estate commerce, power to coin money, declare war, etc. 
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What are main accept of child right​
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Children's rights include the right to health, education, family life, play and recreation, an adequate standard of living and to be protected from abuse and harm. Children's rights cover their developmental and age-appropriate needs that change over time as a child grows up.

Explanation:

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3 years ago
Most countries in South America have tended towards socialism and ________ . ________'s conversion to a free market has been a g
Andreyy89

Most countries in South America have tended towards socialism and <u>central planned</u><u> </u><u>economy</u>. <u>Argentina's</u> conversion to a free market has been a great success. Political instability and <u>unions' strikes</u> have affected Argentina's transition, and <u>Peronism</u> continues to resist capitalism.

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Urea is a ___ substance​
Vanyuwa [196]

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Urea is a <u>nitrogenous</u> substance​

Explanation:

Urea is a substance that is formed in the body during the processing of proteins and nitrogen compounds in the liver, and that we generally excrete through urine and sweat. If it is not eliminated properly, the levels of urea in the blood rise above normal (uremia) and this causes health problems that especially affect the liver - the organ responsible for processing proteins - and the kidneys (which must filter the final waste product), and that without treatment can become serious, and even cause the death of the patient.

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2 years ago
24. Name one thing James Allred did as governor. 25. Name one accomplishment of Lawrence Nixon.​
GREYUIT [131]

Answer:

24. He served with the United States Immigration Service until his enlistment in the United States Navy during World War I.

25. He became a founder, organizer and member of Myrtle Avenue Methodist Church

Explanation:

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2 years ago
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In what way might people b exposed to ionizing radiation​
Lelechka [254]
People are exposed to natural radiation sources as well as human-made sources on a daily basis. Natural radiation comes from many sources including more than 60 naturally-occurring radioactive materials found in soil, water and air. Radon, a naturally-occurring gas, emanates from rock and soil and is the main source of natural radiation. Every day, people inhale and ingest radionuclides from air, food and water.

People are also exposed to natural radiation from cosmic rays, particularly at high altitude. On average, 80% of the annual dose of background radiation that a person receives is due to naturally occurring terrestrial and cosmic radiation sources. Background radiation levels vary geographically due to geological differences. Exposure in certain areas can be more than 200 times higher than the global average.

Human exposure to radiation also comes from human-made sources ranging from nuclear power generation to medical uses of radiation for diagnosis or treatment. Today, the most common human-made sources of ionizing radiation are medical devices, including X-ray machines.

Exposure to ionizing radiation

Radiation exposure may be internal or external, and can be acquired through various exposure pathways.

Internal exposure to ionizing radiation occurs when a radionuclide is inhaled, ingested or otherwise enters into the bloodstream (for example, by injection or through wounds). Internal exposure stops when the radionuclide is eliminated from the body, either spontaneously (such as through excreta) or as a result of a treatment.

External exposure may occur when airborne radioactive material (such as dust, liquid, or aerosols) is deposited on skin or clothes. This type of radioactive material can often be removed from the body by simply washing.

Exposure to ionizing radiation can also result from irradiation from an external source, such as medical radiation exposure from X-rays. External irradiation stops when the radiation source is shielded or when the person moves outside the radiation field.

People can be exposed to ionizing radiation under different circumstances, at home or in public places (public exposures), at their workplaces (occupational exposures), or in a medical setting (as are patients, caregivers, and volunteers).

Exposure to ionizing radiation can be classified into 3 exposure situations. The first, planned exposure situations, result from the deliberate introduction and operation of radiation sources with specific purposes, as is the case with the medical use of radiation for diagnosis or treatment of patients, or the use of radiation in industry or research. The second type of situation, existing exposures, is where exposure to radiation already exists, and a decision on control must be taken – for example, exposure to radon in homes or workplaces or exposure to natural background radiation from the environment. The last type, emergency exposure situations, result from unexpected events requiring prompt response such as nuclear accidents or malicious acts.

Medical use of radiation accounts for 98 % of the population dose contribution from all artificial sources, and represents 20% of the total population exposure. Annually worldwide, more than 3600 million diagnostic radiology examinations are performed, 37 million nuclear medicine procedures are carried out, and 7.5 million radiotherapy treatments are given.

Hope this helps
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3 years ago
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