Deep inside landfills, bacteria decompose organic wastes in a low oxygen environment. This anaerobic decomposition results in a mix of gases called landfill gas, which consists of about 50% ________
A) hydrogen
B) methane
C) carbon monoxide
D) chlorine gas
E) argon
B
Environmental & Atmospheric Sciences
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A batholith is a large mass of igneous rock consisting of multiple ________
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
There are places on the deepest parts of the ocean where no light penetrates that support colonies of life
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Different insect species may not pollinate a plant because of the shape or color of its flowers. This is best described as ________
A) reproductive isolation B) structural isolation C) behavioral isolation D) disruptive isolation E) geographic isolation
Environmental & Atmospheric Sciences
Which type of NEO explodes in the atmosphere before reaching the Earth's surface?
A. meteorite B. asteroid C. bolide
Environmental & Atmospheric Sciences