A cell does not need to use it's own energy to move a substance across a cell membrane during active transport. true or false

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?

Adepositional also feature that forms where a stream enters a lake or an ocean is a

Nan element’s square on the periodic table, the number with the greatest numerical value represents the