What is "free" nitrogen?
A) nitrogen that is ready for plants to use
B) nitrogen that has been fixed by bacteria
C) nitrogen that cannot be used by organisms
D) nitrogen that is returned to the soil by decomposes

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

What is an example of a physical property?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.