Biology, 17.10.2019 02:20 Michaelpem1789
Is it true that a parfocal microscope allows you to quickly focus using the low power or scanning lens and then to switch a higher power lens with only a minimal adjustment of the fine focus know? (the first question on the paper)
Answers: 3
Biology, 22.06.2019 05:20, kay3940
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
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