Oriana touches a positively charged metal plate to a neutral metal sphere. How does the charge of the metal

sphere change?

It has a negative charge inside of the sphere.

It has an excess of negative charge.

It has a positive charge inside of the sphere.

It has an excess of positive charge.

Explanation:

It has a positive charge inside of the sphere.

Since the metal is positively charged it must be deficient in electrons. Whereas in a neutral body there is equal number of electron and proton. In a material only electrons can flow. When a neutral sphere is brought in touch with the metal plate, electrons will begin to flow from the sphere to the metal plate. Hence, the sphere will acquire positive charge.

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explanation:

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.