Q3. In which reactions are nitrogen atoms reduced? 1 2NO2 → N2 + 202 2 4NO2 → 2N2O + 302 W 3 4NO2 + 6H2O → 4NH3 + 702 A B C D 1, 2 and 3 are correct 1 and 2 only are correct 2 and 3 only are correct 1 only is correct Zoom

The reaction q+r2=r2q is found to be first order in r2 and

This drawing shows a human body system. what is the primary function of this body system?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.