Humans are a(n) ________-based life form
A) oxygen B) nitrogen C) phosphorus D) carbon E) hydrogen
D
Environmental & Atmospheric Sciences
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The chemical formula of rust is Fe2O3. Which of the following is the correct common name for this compound?
A) iron oxide B) ferric oxide C) ferrous oxide D) diiron trioxide
Environmental & Atmospheric Sciences
Which reptile group is considered to be the immediate ancestor of mammals?
a. captorhinomorphs d. therapsids b. pelycosaurs e. coelacanths c. labyrinthodonts
Environmental & Atmospheric Sciences
What group of geologists were the least receptive to the continental drift hypothesis? Why?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which of the following forms at the highest grade of regional metamorphism?
A) hornfels B) schist C) slate D) phyllite
Environmental & Atmospheric Sciences