Late Cretaceous to early Tertiary age, coal deposits were higher grade coal than the Pennsylvanian age deposits found in the eastern United States

Indicate whether the statement is true or false


False

Environmental & Atmospheric Sciences

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Which fossil fuel is the most abundant?

A. natural gas B. oil C. coal D. All of the choices are equally abundant.

Environmental & Atmospheric Sciences

Which of these statements about Earth's tides is correct? a. The tides consist of two very long wavelength waves

b. There are typically six hours between successive high tides. c. Most places on Earth have one high and one low tide per day. d. They are caused by convection currents in the mantle. e. They are caused by the gravitational attraction between Earth and Mars.

Environmental & Atmospheric Sciences

Which sediment size has the steepest angle of repose?

A) Gravel B) Sand C) Silt D) Clay

Environmental & Atmospheric Sciences

There can be no variation of mineral composition in order for the substance to remain the same mineral

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences