The output of work is always less than the input of work. If it is not lost, where does it go? Explain in 2-3 sentences:

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Complete each row of the table below by filling in the missing prefix or missing exponent.