The economic activities not a part of the official record and that take place outside official systems of regulation or remuneration make up the ________ sector of the economy and tend to be an important part of urban economic life around the world

A) informal
B) underground
C) black market
D) market


Answer: A

Environmental & Atmospheric Sciences

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Judge the following sentence according to the criteria given below: The most worrisome toxic compounds in crude oil are polycyclic aromatic hydrocarbons such as napthalenes, benzene, toluene, and xylenes BECAUSE they can sicken humans, animals, and

plants even in small doses and can ultimately affect an organism's genetic materials. A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.

Environmental & Atmospheric Sciences

At the beginning of the Paleozoic Michigan’s landscape had a very distinct Upper and Lower Peninsula

a. True b. False

Environmental & Atmospheric Sciences

__________ is the world's largest landlocked nation.

a. Kyrgyzstan b. Uzbekistan c. Afghanistan d. Kazakhstan e. Turkmenistan

Environmental & Atmospheric Sciences

Sustainable minerals use and longer projected lifetimes for scarce minerals can be achieved with all of the following, except ________

A) finding more available substitutes for scarce minerals B) exploring for new reserves C) researching more efficient and environmentally friendly techniques of extraction D) increasing demand and lowering prices for products using these minerals E) recycling

Environmental & Atmospheric Sciences