________ is the most common element in the Earth's crust.

A. Oxygen
B. Magnesium
C. Hydrogen
D. Iron
E. Fluorine


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

Tube worms commonly are found in subduction zones. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which volcanic hazard was responsible for most of the deaths from the 1883 eruption of Krakatoa

volcano, Indonesia? a. lava flows b. lahars c. pyroclastic density currents d. tsunamis e. volcanic landslide

Environmental & Atmospheric Sciences

Which of the following is a way that earth science influences Rapid City and areas of the Black Hills, either presently or in the past?

A. tilted rock layers that control the steepness of slopes B. tourism from presidents' faces chiseled into granite C. flooding along creeks that drain the Black Hills D. large gold deposits E. All of these choices are correct.

Environmental & Atmospheric Sciences

The ________ crust of the sea floor is covered in many places with layers of sediment.

A. serpentine B. basalt C. rhyolite D. granite E. andesite

Environmental & Atmospheric Sciences