Which fuel source is used strictly for electrical power generation?
a. nuclear energy
b. renewable energy
c. coal
d. natural gas
e. petroleum
ANSWER: a
Biology & Microbiology
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RNA is incapable of forming secondary structure
Indicate whether the statement is true or false.
Biology & Microbiology
Describe the maternal age effect associated with Down syndrome
What will be an ideal response?
Biology & Microbiology
Which of the following was the most recent to evolve?
A. angiosperms B. gymnosperms C. seedless vascular plants D. bryophytes E. green algae
Biology & Microbiology
It is possible to remove calcium from compact bone by soaking the bone in vinegar for an extended period of time. Once the calcium is gone, the bone should be
A) more rigid and inflexible. B) about half the size as before soaking. C) extremely flexible. D) completely dissolved.
Biology & Microbiology