What is the heat of the reaction listed below?
N2 (g) + O2 (g) + 2NO (g)

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

When scientists are ready to publish the results of their experimentation, why is it important for them to include a description of the procedures they used?