An oxygen atom has ____ surrounding a nucleus composed of ____
a. neutrons; electrons and protons
b. electrons; protons and neutrons
c. protons and electrons; neutrons
d. protons; neutrons and electrons
e. electrons and neutrons; protons
B
Biology & Microbiology
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The Angel Oak on Johns Island, South Carolina is estimated to be up to ____ years old
a. 300 b. 1000 c. 1400 d. 2000 e. 2400
Biology & Microbiology
Reshaping the cornea using lasers is often used to treat
a. astigmatism. b. retinoblastoma. c. myopia. d. glaucoma. e. cataracts.
Biology & Microbiology
For photosynthesis and productivity to occur, a plant must open its ________ to take in carbon dioxide
Fill in the blank(s) with correct word
Biology & Microbiology
Ask a question about fever at each of Tinbergen's four levels (1, 2, 3, and 4)of explanation. Limit your answer to one sentence for each level
What will be an ideal response?
Biology & Microbiology