What happens during the krebs cycle? a) atp and nadh from food are converted to co2 and o2. b) nadh from glycolysis is converted to atp and o2 molecules. c) glucose is broken down in a cycle of reactions to form pyruvate. d) pyruvate is broken down in a series of reactions to form co2.

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

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?