Which of the following is an example of a trade barrier?
capitalism
capitalism
tariff
tariff
gross domestic product
gross domestic product
comparative advantage
15 answers
tariff
Which of the following drives the free market economy?
the needs and wants of the people
the needs and wants of the people
the supply of goods in the market
the supply of goods in the market
the number of consumers in the market
the number of consumers in the market
the gross domestic product
the needs and wants of the people
the needs and wants of the people
the supply of goods in the market
the supply of goods in the market
the number of consumers in the market
the number of consumers in the market
the gross domestic product
the needs and wants of the people
Which term describes the choices that people must make to meet their wants and needs?
supply
supply
demand
demand
opportunity cost
opportunity cost
producers
producers
supply
supply
demand
demand
opportunity cost
opportunity cost
producers
producers
opportunity cost
Use the drop-down menu to complete the sentence.
One disadvantage to using a primary source, such as a letter or diary is _______
A. the source could be lost
B. the source could contain bias
C. the source may not be well-written
D. the source could be inaccurate.
One disadvantage to using a primary source, such as a letter or diary is _______
A. the source could be lost
B. the source could contain bias
C. the source may not be well-written
D. the source could be inaccurate.
B. the source could contain bias
What function do the alveoli perform?
carry oxygenated blood away from the heart
carry oxygenated blood away from the heart
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the air for carbon dioxide in the blood
hold receptors for the sense of smell
carry oxygenated blood away from the heart
carry oxygenated blood away from the heart
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the air for carbon dioxide in the blood
hold receptors for the sense of smell
exchange oxygen in the air for carbon dioxide in the blood
Which organ of the respiratory system is located inside the lungs?
trachea
trachea
larynx
larynx
nasopharynx
nasopharynx
bronchioles
trachea
trachea
larynx
larynx
nasopharynx
nasopharynx
bronchioles
bronchioles
A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?
the pulmonary vein
the pulmonary vein
the aorta
the aorta
the capillaries
the capillaries
the alveoli
the pulmonary vein
the pulmonary vein
the aorta
the aorta
the capillaries
the capillaries
the alveoli
the alveoli
What is the function of the vena cava?
It carries oxygenated blood from the heart to the body.
It carries oxygenated blood from the heart to the body.
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the body to the heart.
It carries oxygenated blood from the lungs to the heart.
It carries oxygenated blood from the lungs to the heart.
It carries deoxygenated blood from the heart to the lungs.
It carries oxygenated blood from the heart to the body.
It carries oxygenated blood from the heart to the body.
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the body to the heart.
It carries oxygenated blood from the lungs to the heart.
It carries oxygenated blood from the lungs to the heart.
It carries deoxygenated blood from the heart to the lungs.
It carries deoxygenated blood from the body to the heart.