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The Heart Wall Has Three Layers

question 41

Multiple Choice

The heart wall has three layers.In order from the outer layer to the inner layer, they are ______.


Definitions:

E-commerce

Buying and selling on the Internet.

Discounters

Retailers or sellers that offer goods and services at lower prices by reducing overhead costs and margins, often leading to high volume sales.

Misery Index

An economic indicator calculated by adding the unemployment rate to the inflation rate, aiming to measure the health of an economy.

Unemployment Rate

This measures the percentage of the labor force that is jobless and actively seeking employment.

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