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Which of the following gases is used up during photosynthesis? a. carbon dioxide b. nitrogen c. oxygen d. sulfur dioxide
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Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
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Assume that two of the electrons at the negative terminal have attached themselves to a nearby neutral atom. there is now a negative ion with a charge -2e at this terminal. what are the electric potential and electric potential energy of the negative ion relative to the electron? the electric potential and the electric potential energy are both twice as much. the electric potential is twice as much and the electric potential energy is the same. the electric potential is the same and the electric potential energy is twice as much. the electric potential and the electric potential energy are both the same. the electric potential is the same and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron. the electric potential is twice as much and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron.
Answers: 3
Which of the following gases is used up during photosynthesis? a. carbon dioxide b. nitrogen c. oxy...
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