If you move 60 meter in 10 seconds, what is your speed

A__ is two or more substances that are together in the same place but are not chemically combined

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 causes most sediment to wash or fall into a river