How many years did it take for the population to go from 1 billion to 7 billion?
a. 100
b. 200
c. 1,000
d. 10,000
e. 1,000,000
ANSWER: b
Biology & Microbiology
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Synovial membranes are found in
a. the stomach. b. the heart. c. the lungs. d. tendon sheaths and joint capsules. e. ureters and the urethra.
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What do the DNA sequences found at the origins of replication signify?
What will be an ideal response?
Biology & Microbiology
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Biology & Microbiology