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Biology, 21.06.2019 18:30
The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what
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Biology, 21.06.2019 20:00
The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents
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Biology, 22.06.2019 09:30
Consider the following reaction: 2h2 + o2 β> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
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Biology, 22.06.2019 15:10
Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus
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How must samples be prepared for observation by an electron...
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