Which statement is best supported by the data on the map? A. All countries have beryllium deposits, but some have more
deposits than others.
B. Some countries have many sources of beryllium, and some have
no sources of beryllium.
C. All the beryllium used in the United States must come from other
countries.
D. Only people in countries that have beryllium deposits are able to
have cell phones.

B. Some countries have many sources of beryllium, and some have no sources of beryllium.

Explanation:

Beryllium is a very important mineral that is present in many countries. All countries did not have beryllium deposits. Some countries have many sources and deposits of beryllium, and some have  no sources of beryllium. There are many deposits of beryllium in different parts of United states of America. Those countries which have no beryllium deposits have cell phones because they purchase cell phones from international market by paying money which can be earned through selling of its goods.

b

is correct hope this   also i learnd this in middle school

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.