Through which microscope were cells first observed

Where can you find prokaryotic and eukaryotic cells?

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

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?