Which statement applies to transverse waves? A. The waves have a trough.

B. Particles move great distances.

C. The waves have alternating compressions and expansions.

D. The energy is transferred parallel to the direction of the wave motion.

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?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.