Which of the following best describes where cellular respiration occurs? A. In muscle cells
B. In every body cell
C. In the intestines
D. In the lungs

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.