conduction and convection require moving particles to transfer heat. Since particles are not involved in radiation, what distant source can radiate heat for all life on earth?

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.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

In 2002, the rare earth elements mine in mountain pass, california was closed because