Carbon Cycle picture
What will be an ideal response?
Carbon dioxide gas exists in the atmosphere and is dissolved in water. Photosynthesis converts carbon dioxide gas to organic carbon, and respiration cycles the organic carbon back into carbon dioxide gas. Long-term storage of organic carbon occurs when matter from living organisms is buried deep underground and becomes fossilized. Volcanic activity and, more recently, human emissions bring this stored carbon back into the carbon cycle
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Sedimentation in bogs and marshes develop ________ soils
A) inorganic B) mineral C) organic D) loamy
Compared to other genes, the rbcL gene in plants has a mutation rate that is ____ most other plant
genes.
a. slower than b. similar to c. five times faster than d. more random than e. ten times faster than
An example of artificial passive immunity would be
A. chickenpox infection, followed by lifelong immunity. B. chickenpox vaccine triggering extended immunity to chickenpox. C. giving a person immune serum globulins to chickenpox virus after exposure to the disease. D. a fetus acquiring maternal IgG to the chickenpox virus across the placenta.
Which inner ear structure determines pitch perception?
a. tectorial membrane b. ear drum c. scala tympani d. middle ear bone e. basilar membrane