A shiny rock contains minerals oriented preferentially in discontinuous layers. Which type of rock is it: igneous, metamorphic, or sedimentary?

What will be an ideal response?


Metamorphic

Environmental & Atmospheric Sciences

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The aquatic ecosystems that show the highest net primary productivity are ____________________

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

Describe and discuss the marine communities of the Ordovician, Silurian, and Devonian. How

do they compare with present-day marine communities? What will be an ideal response?

Environmental & Atmospheric Sciences

UTC is based on

A) Big Ben B) very precise pendulum motion in Greenwich, U.K. C) the pulse rate of pulsar stars. D) average time calculations from atomic clocks collected worldwide

Environmental & Atmospheric Sciences

A positive externality arises in a situation where a third party, outside the transaction,

A. fails to allocate resources efficiently. B. suffers from a market transaction by others. C. benefits from a market transaction by others. D. pays a pollution tax to balance social costs.

Environmental & Atmospheric Sciences