The oldest dated minerals on Earth are ________ years old

A) 4.03 billion
B) 542 million
C) 4.4 billion
D) 4.56 billion


Answer: C

Environmental & Atmospheric Sciences

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The practice of shifting cultivation is ________ rapidly, although now the ________ recognizes that shifting cultivation is a more ________ sound approach as compared to clearing rainforest for cattle and other lucrative crops

A) increasing, governments, financially B) increasing, World Bank, environmentally C) decreasing, farmers, financially D) evolving, environmentalist, industrially E) declining, World Bank, environmentally

Environmental & Atmospheric Sciences

The California Current is an example of which of the following types of currents?

A) Eastern Boundary Current B) Equatorial Counter Current C) Northern Boundary Current D) Southern Boundary Current E) Western Boundary Current

Environmental & Atmospheric Sciences

Differentiate between exponential and logistic growth curves. Give examples of the conditions under which each would occur

What will be an ideal response?

Environmental & Atmospheric Sciences

Measured rates of sea-floor spreading race from_____cm/year/

What will be an ideal response?

Environmental & Atmospheric Sciences