What is the driven force for oil to move upward in rocks?

a. Buoyancy
b. Heat
c. Gravity
d. Pressure
e. Viscosity


Ans: a. Buoyancy

Environmental & Atmospheric Sciences

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Because of the nature of the world-wide climatic conditions in the Mesozoic, organisms ____

A)had few habitats to occupy B)could occupy extensive geographic regions C)could only occupy restricted geographic regions D)were not affected E)stayed where they were

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The atomic mass number is found by adding the number of protons and neutrons in the nucleus.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Which of the following occurs when a monosaccharide is converted to an amino sugar?

A) An amino group replaces an aldehyde carbonyl. B) An amino group replaces a ketone carbonyl. C) An amino group replaces a hydroxyl group. D) Any of the above, it depends on the identity of the monosaccharide.

Environmental & Atmospheric Sciences

________________is (are) a key nutrient that drives the synthesis of hormones as well as the growth of membrane tissues in humans

Fill in the blanks with correct word

Environmental & Atmospheric Sciences