Are the sentences True (T) or False (F)?  

1. The sandstorm Haboob is common in China

2. Extreme dust storms cannot reduce visibility to zero

3. The dust storm in Sudan mainly happens in the autumn

4. Awful dust storms can stop visibility.

5. The dust storm can be transported only one hundred kilometers.

6. The dust can influence the people’s wellbeing.

7. The huge amounts of dust blowing across the moon

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1) the science of economics studies business, manufacture, trade, inflation, unemployment, decisions that are taken by governments, companies, by all of us every day. 2) while microeconomics deals with companies and households, macroeconomics studies the economy as a whole. 3) economic resources include both material resources, such as raw materials, buildings, and others, as well as intangible resources such as time. 4) every day we take a lot of decisions and each decision is an exchange of one resource for another. 5) economists collect data and on the base of this data, they create economic models. 6) economic models show the relationship between various processes in the economy. 7) some economists try to explain the behavior of the economy on the base of the data collected while others suggest the ways of improving the economic situation.